443 Answered Questions for the topic System of Equations

System Of Equations

02/24/17

system equitation
Sammy asked the zookeeper how many birds and lions the zookeeper feeds. The zookeeper answered that there are 14 heads and 44 feet. How many of each animal does the zookeeper feed? Use 
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System Of Equations

02/24/17

Ten years from now, Adam will be twice as old as Bob. Five years ago, Adam was three times as old as Bob. What are the present ages of Adam and Bob?
Write a system of equations to model the situation.
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System Of Equations Algebra Algebra1

02/17/17

System of equations
A chemist currently has two solutions of sodium chloride. One solution has a 5% concentrate and the other has a 25% concentrate. The chemist needs to make 10 L of a 10% sodium chloride... more
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System Of Equations

02/08/17

A School sells bumper sticks and magnets for parents to put on their cars. Stickers cost $3, and magnets cost $8.
A School sells bumper sticks and magnets for parents to put on their cars. Stickers cost $3, and magnets cost $8. This week 30 items were sold for a total of $140. How many stickers were sold? How... more
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System Of Equations

02/07/17

A boat traveled 336 miles downstream and back. The trip downstream took 12 hours. The trip back took 14 hours. What is the speed of the boat in still water?
A boat traveled 336 miles downstream and back. The trip downstream took 12 hours. The trip back took 14 hours. What is the speed of the boat in still water? What is the speed of the current?
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System Of Equations

01/26/17

How many students are on the trip?
There are 4 times as many students as teachers on a trip.  There are a total of 80 people.  How many are students?  Solve using system of equations by substitution or elimination.
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System Of Equations

01/13/17

I need to find my other equation
Question is : Margie is responsible for buting a weeks supply of food and medication and a shelter. The food and medication for each dog costs twice as much as those supply's for a cat. She needs... more
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System Of Equations

01/05/17

The perimeter of a rectangle is 40 in. Twice the length of the rectangle is 20 minus twice the width. What are the length and width?
i just dont understand.
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System Of Equations

01/05/17

Pam’s age plus Tom’s age is 65. Twice Pam’s age is equal to 130 minus twice Tom’s age. How old are they?
Pam’s age plus Tom’s age is 65. Twice Pam’s age is equal to 130 minus twice Tom’s age. How old arethey?
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System Of Equations Algerbra 1 Honors

01/01/17

Systems of equations
You and your nine friends have decided to take a few days to go camping. You are planning a recreational budget of $50 per day for activities. One day your group is consis the nearby amusement... more
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System Of Equations Algebra

12/17/16

four honey buns three packs of starburst and one arizona cost $10 from the kid who sells out his backpack. two honey buns and one pack of starburst with no drin
Can someone please answer this for me Help me understand this.
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System Of Equations Algebra Substitution Method

12/14/16

Solve the system by using the substitution method
2x+y=5         x2+y2=50          2. x2+y2=90          y=√x  
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System Of Equations

12/11/16

Systems of equations
I bought some dogs and octopi.  Each dog costs $100 and each octopus cost $200. I paid a total of $2000 and got a total of 80 legs.  How many of each did I get?   Please show work 
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System Of Equations

12/02/16

Pam has a total of $2475 in two different savings accounts.
Last year, one savings account paid 3% interest and the other account paid 6.5% interest. If she earned $116.25 in interest forthe year, how was her money divided between the two accounts?
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System Of Equations

12/02/16

Flying with the wind, a pilot flew 600 mi in 4 hours.
The return trip against the wind took 5 hours. Find the rate of the plane in calm air and the rate of the wind.
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System Of Equations

11/28/16

a farm house shelters 21 animals some are geese sore are sheep altogather there are 76 legs. how many of each animals are there?
word problem
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System Of Equations

11/20/16

two times a number added to another number is 25. three times the first number minus the other number is 20. find these numbers
 i need help finding systems of equations for this problem please help
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System Of Equations

11/16/16

The sum of two numbers is 381. Their difference is 155. Find the two numbers.
I need help I don't really get it. I would like to know the answer. 
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System Of Equations

11/07/16

Modeling Circuit Gain/System of Equations
In electronics, circuit gain is modeled by G = Bt/R + Rt ; where R is the value of a resistor, t is the temperature, Rt is the value of R at temperature t, and B is constant. The sensitivity of the... more
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System Of Equations Equations

10/26/16

rickybobby has some one dollor bills and some five dollor bills. he has 25.bills. the value if the bills is 81 dollors how many of each type does he have
rickybobby has some one dollor bills and some five dollor bills. he has 25 bills. the value if the bills is 81 dollors how many of each type does he have?  
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10/05/16

How much of each ingredient did you buy?
the meat cost $6 per pound, the potatoes cost $3 per pound, and the carrots cost $1 per pound. You spend $48.50 on 13.5 pounds of food. You buy twice as many carrots as potatoe. 
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System Of Equations

10/03/16

Juana works at a delicatessen and it is her turn t make the zesty olive blend. If arbequina olives are $9 per pound and green olives are $4 per pound, how much
of each olive should she mix to get five pounds of zesty olive blend that will sell for $6 a pound  
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System Of Equations

09/29/16

Need help ? Please! Please
2y+4z=24 5x+y-9z=14 x+3y-z=22
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System Of Equations

09/20/16

You need to form 2 equations for x and y, or whatever variable you use.
A boat on a river travels down stream between two points, 20 miles apart, in 1 hour. The return trip against the current takes 2 1/2 hours.  What is the boat speed and how fast does current flow in... more
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System Of Equations

09/20/16

You need to form 2 equations and then solve them for x and y, or what ever variable you use.
A man flies a small aircraft from Miami to Orlando, a distance of 180 miles. Because he is flying into a head wind the trip takes him 2 hours. On the way back the wind is still blowing at the same... more
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