I had this question on a test and i want to make sure i got it right

I had this question on a test and i want to make sure i got it right

2x-9y=8 -5x+8y=-20

you have already saved $2000 and have a job that pays $5 an hour. your friend has saved $1000, but has a job that pays $10 an hour.

An apple farmer is deciding how to use each day’s harvest. She can use the harvest to produce apple cider or apple juice for the apple festival in two weeks. The information she uses to make the...

A picture of length 24 cm and height 16 cm is surrounded by a frame of width x. a. Draw a diagram showing the picture and itsframe, and label it with the information given above. b. Write a formula...

Wizard Mobile offers customers a choice of several monthly plans. The two least expensive ones are Plan A and Plan B. Plan A, Pay As You Go, has no fixed monthly charges, and each minute costs...

Write and solve the system of equations

Let x represent the number of nickels and y represent the number of quarters

R= speed of plane in still air C= speed of wind

You have to use system of equation in order to solve it

Write and solve the system of equations

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

Write a system of equations to model the situation.

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 solution. Let...

Kate and Riley are reading the same book. Kate reads 1/3 page per minute, and Riley reads 3/4 page per minute. Kate has read 70 pages, while Riley has read 30 pages. If they both resume reading together,...

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...

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?

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...

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....

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 park...

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