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02/21/17

***7. A lab technician has 40% of a 15% iodine solution. How many gallons of a 40% iodine solution must he add to make 20% iodine solution?

I don't know how to do this please help me

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Word Problems

02/20/17

How many of the cheaper coffee beans with be needed for the mixture?

A store has two types of coffee beans. The first type sells for $5.20/lb, the second for $5.80/lb. How many pounds of the first type must be mixed with 5lbs of the second to produce a blend selling... more

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Word Problems

02/19/17

A square and a rectangle have the same area.

A square and a rectangle have the same area. If the rectangle has a length of 25 cm and a perimeter of 82 cm, find the length of the square.

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Word Problems

02/19/17

Word Problem: Attempted to problem, want to make sure it was set up correctly

The number of apples is twice as much as the number of pears. If three pears are distributed to each student, there will be 2 pears left over. If 7 apples are distributed to each student, there... more

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Word Problems Math Word Problem

02/19/17

Erika drive from Ottawa at 80km/h. Julie left Ottawa 1h later and drove along the same road at 100km/h. How far from Ottawa did Julie overtake Erika

Solve using substitution, elimination or graphing.

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Word Problems

02/16/17

Chris is older than jorge. The difference between their ages is 11years. Chris is 16years less than doubled jorges age. How old is chris and how old is jorge.

Substitution

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Word Problems

02/16/17

The length of a rectangle is five times as long as it's width.

The length of a rectangle is five times as long as it's width. If it has a perimeter of 120 cm, find it's area.

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Word Problems

02/15/17

The sum of three numbers is 26 .twice the first minus the second is 2 less than third. the third is the second minus three times the first find the numbers.

How do I figure out the equations?

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Word Problems Addition

02/13/17

Sally has 4 green apples and 5 red apples. How many apples does sally have in all?

sally has 4 green apples and 5 red apples. how many apples does sally have in all?

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Word Problems Metric Conversions

02/13/17

At Carl's deli, cheese is on sale for $11.50 for 1 kilogram. How much would it cost to purchase 150 grams of cheese?

How much would it cost to purchase 1 gram of cheese? 50 grams?

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Word Problems Word Problem

02/12/17

After a 10% sales tax, a car charger is $12.10. What was the original price of the car charger?

after a 10% sales tax a car charger costs $12.10 what was the original price of the car charger

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Word Problems

02/12/17

Sam is older than alexis. The sum of their ages is 35. The difference between their ages is 15. How old is sam and how old is alexis

Substitution

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Word Problems

02/12/17

Renee has 16 coins in her pocket. She only has nickels and dimes. Her coins total $1.20. How many nickels and how many dimes did she have in her pocket.

Substitution

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Word Problems

02/12/17

Zack only has dimes and nickels in his car. He has 21 coins that value $1.50. How many dimes and how many nickels does he have in his car.

Using substitution

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Word Problems

02/12/17

Zack only has dimes and nickels in his car. He has 21 coins that value $1.50. How many dimes and how many nickels does he have in his car.

Substitution

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Word Problems

02/12/17

Cameron is older than drew. The difference in their ages is 1 year. The sum of their ages is 35. How old is cameron and how old is drew

Need help solving it. Its with substitution

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Word Problems Algebra

02/12/17

Algebra help

If a car can travel 340 miles on 14 gallons of gas, then how many gallons are needed for this car to travel 544 miles?

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Word Problems

02/12/17

word problems

Sally invested $3000 more dollars in a mutual fund account last year than she did in a saving account. The return on the mutual fund account was 10% last year, while the saving account paid 6%... more

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Word Problems

02/12/17

word problems

An online site sells used paperback for $1 each and hardcover books for $4 each. If on a given day the site generates $155 in sales by selling thirty more paperbacks than hardcover books, how many... more

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Word Problems

02/12/17

word problems

Five hundred more general admission tickets are sold than reserve seat tickets for a concert. If the general admission tickets are $10 each and the reserve tickets are $25 each, find the number of... more

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Word Problems

02/12/17

word problems

Junior has a collection of thirty quarters and dimes in his piggy bank. If Junior has $6.00 in his piggy bank, how many quarters and dimes are in the collection?

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Word Problems

02/11/17

word problems

Four thousand tickets are sold for a football game. General admission tickets are $6 and reserved seats are $12 each. How many of each type of ticket are sold if the ticket sales are $33,000?

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Word Problems

02/10/17

Iv solutions

1,000 mL NS began infusing at 0945 at a rate of 150mL/hr. Near the bottom of the bag of Fluid there is 100mL left to infuse. A) how many minutes will it take for 100mL to infuse given that the rate... more

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Word Problems

02/10/17

Sally can paint a room in 9 hours while it takes Steve 4 hours to paint the same room. How long would it take them to paint the room if they worked together?

Sally can paint a room in 99 hours while it takes Steve 44 hours to paint the same room. How long would it take them to paint the room if they worked together?

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Word Problems

02/09/17

zelda has a total of 21 nickels and quarters worth $4.25 how many of each coin does she have

Zelda has a total of 21 nickels and quarters worth $4.25 how many of each coin does she have

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***7. A lab technician has 40% of a 15% iodine solution. How many gallons of a 40% iodine solution must he add to make 20% iodine solution?

How many of the cheaper coffee beans with be needed for the mixture?

A square and a rectangle have the same area.

Word Problem: Attempted to problem, want to make sure it was set up correctly

Erika drive from Ottawa at 80km/h. Julie left Ottawa 1h later and drove along the same road at 100km/h. How far from Ottawa did Julie overtake Erika

Chris is older than jorge. The difference between their ages is 11years. Chris is 16years less than doubled jorges age. How old is chris and how old is jorge.

The length of a rectangle is five times as long as it's width.

The sum of three numbers is 26 .twice the first minus the second is 2 less than third. the third is the second minus three times the first find the numbers.

Sally has 4 green apples and 5 red apples. How many apples does sally have in all?

At Carl's deli, cheese is on sale for $11.50 for 1 kilogram. How much would it cost to purchase 150 grams of cheese?

After a 10% sales tax, a car charger is $12.10. What was the original price of the car charger?

Sam is older than alexis. The sum of their ages is 35. The difference between their ages is 15. How old is sam and how old is alexis

Renee has 16 coins in her pocket. She only has nickels and dimes. Her coins total $1.20. How many nickels and how many dimes did she have in her pocket.

Zack only has dimes and nickels in his car. He has 21 coins that value $1.50. How many dimes and how many nickels does he have in his car.

Zack only has dimes and nickels in his car. He has 21 coins that value $1.50. How many dimes and how many nickels does he have in his car.

Cameron is older than drew. The difference in their ages is 1 year. The sum of their ages is 35. How old is cameron and how old is drew

Algebra help

word problems

word problems

word problems

word problems

word problems

Iv solutions

Sally can paint a room in 9 hours while it takes Steve 4 hours to paint the same room. How long would it take them to paint the room if they worked​ together?

zelda has a total of 21 nickels and quarters worth $4.25 how many of each coin does she have

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Sally can paint a room in 9 hours while it takes Steve 4 hours to paint the same room. How long would it take them to paint the room if they worked together?