1,472 Answered Questions for the topic Linear Equations

Linear Equations

02/01/15

Margarita is hired by an accounting firm at a salary of $60,000 per year. Three years later her annual salary has increased to $70,500.
Margarita is hired by an accounting firm at a salary of $60,000 per year. Three years later her annual salary has increased to $70,500. Assume her salary increase linearly. Find an equation that... more
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Linear Equations

01/31/15

Between to rental car companies, with a daily rate and per mile charge, what number of daily miles is the second company cheaper?
A rental car company rents a car for $25.24 per day plus .48 per mile.  A second rental car company rents the same car for $42.51 per day plus .37 cents per mile.  For what number of daily miles is... more
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Linear Equations

01/29/15

graphing a linear equation
can you determine how many  solutions 2 equations has without graphing 
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Linear Equations

01/28/15

word problem
one year, mr.newby and his wife wilma together earned $47000. if mr.newby earned $4000 more than wilma earned that year, how much did each earn?
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Linear Equations

01/28/15

word problem
a dealer has some hard candy worth $2.00 a pound and some worth $3.00 a pound. he wishes to make a mixture of 80 pounds that he can sell for $2.20 a pound. how many pounds of each kind should he use?
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Linear Equations

01/28/15

what distance will the constable catch the thief
thief is running at a speed of 6km/h and police is chasing with a speed of 8km/h and the distance between them is 500m
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Linear Equations

01/27/15

word problems
a dealer sold 200 tennis racquets. some were sold at $18 each, and the rest $33 each. the total receipts from these sales were $4800. how many of each racquets were sold?
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Linear Equations

01/26/15

b ate 10 carrots and 7 chocolates, total cals were 263. f ate 4 carrots an 8 chocolates, total cals were 230. how many cals were in a carrot and a chocolate?
linear equation 
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Linear Equations

01/23/15

liner problem
(d) Editing and printing proofs of the photos cost the photographer $5.79 each. The photographer also has to pay salaries of $400 for the day. Write an equation for the profit P made by the... more
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Linear Equations Linear Systems Rate Linear System

01/22/15

What is the mass for each type?
One type of granola is 30% fruit and another type is 15% fruit. What mass of each type of granola should be mixed to make 600g of granola that is 21% fruit?
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Linear Equations Linear Systems

01/22/15

Does (5,-6) satisfy the equation 3x-2y-26=0 ?
Does (5,-6) satisfy the equation 3x-2y-26=0 ?
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Linear Equations

01/21/15

How much of the 30% solution should the chemist use?
A chemist is mixing a 30% salt solution with a 20% salt solution to make 40 L of a new solution that will contain 25% salt. How much of the 30% solution should the chemist use?
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Linear Equations

01/21/15

Find the speed of the plane with no wind and the windspeed.
It took an airplane 4hours to fly 1,600mi against a headwind. The return trip with the wind took 313hours. Find the speed of the plane with no wind and the windspeed.
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Linear Equations

01/21/15

How much was invested in the 8% account?
A total investment of $9,600is made into two savings accounts. One account yields 8% simple interest and the other 9% simple interest. He earns a total of $827.00interest for the year. How much was... more
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Linear Equations

01/21/15

How do i find out how many $1 and $5 bills there are?
At the county fair, you and your little sister play a game called honey money in this game she covers herself in honey and you dig through some sawdust to find hidden money and stick as much of it... more
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Linear Equations

01/20/15

Two pumps can fill a water tank in 336minutes when working together. Alone, the second pump takes 6times as long as the first to fill the tank. How many minut
Two pumps can fill a water tank in 336minutes when working together. Alone, the second pump takes 6times as long as the first to fill the tank. How many minutes would it take the first pump to fill... more
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Linear Equations

01/20/15

How many milliliters of 35% acid solution need to be added to60mL of 65% acid solution to get a solution that is45% acid?
How many milliliters of 35% acid solution need to be added to60mL of 65% acid solution to get a solution that is45% acid?
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Linear Equations

01/20/15

Amy drove from Atlantic City to Cape May during rush hour at an average speed of 30miles per hour, and then drove back the same way at an average speed of 45mil
Amy drove from Atlantic City to Cape May during rush hour at an average speed of 30miles per hour, and then drove back the same way at an average speed of 45miles per hour.If the round trip took 2... more
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Linear Equations Rates

01/20/15

How much did he invest at each rate?
Zach invested at a term deposit that paid 4% interest per annum and in a municipal bond that paid 6% interested per annum. If he invested a total of $13,000 and earned $700 interested in a year,... more
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Linear Equations

01/16/15

Douglas invests money in two simple interest accounts. He invests three times as much in an account paying 12% as he does in an account paying 5%. If he earns $
Douglas invests money in two simple interest accounts. He invests three times as much in an account paying 12% as he does in an account paying 5%. If he earns $133.25 in interest in one year from... more
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Linear Equations

01/16/15

Brian earns 10% more than Amber, and together they earn $1207.50 per week. How much does Brian earn per week? Round the answer to the nearest cent, if necessary
Brian earns 10% more than Amber, and together they earn $1207.50 per week. How much does Brian earn per week?Round the answer to the nearest cent, if necessary.
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Linear Equations

01/16/15

The product of two consecutive integers is 8 less than the square of the lesser integer. Find the greater of the two integers.
The product of two consecutive integers is 8 less than the square of the lesser integer. Find the greater of the two integers.
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Linear Equations

01/16/15

Sophie earns a salary of $450per month for working 3hours a day. In May, Sophie worked additional hours at $8per hour and earned $474for the month. Write an equ
Sophie earns a salary of $450per month for working 3hours a day. In May, Sophie worked additional hours at $8per hour and earned $474for the month.Write an equation to model this situation where... more
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Linear Equations Algebra Word Problem

01/13/15

I'm so lost! help!
When calculating the cost of a good or service, you often have to consider price markups and discounts. Consider these two statements regarding a discounted item:The list price of an item is 80... more
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Linear Equations

01/13/15

the sum of two numbers is 18. The sum of the greater number and twice the smaller number is 25. Find the numbers
the sum of two numbers is 18. The sum of the greater number and twice the smaller number is 25. Find the numbers
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