roberto mp1 3 weeks math 7 test

1

A fish tank holds 180 galllons of water and is leaking at a constant rate of 8 gallons per day. A second fish tank holds 160 gallons of water and is leaking at a constant rate of 6 gallons per day. After how many days will the two fish tanks have the same amount of water?
Enter the correct answer in the box.
_______ days

1

What value of x makes this equation true? 
1/2 x + 7 = 2x - 5
Enter the correct answer in the box.
 x = _______ 

1

At a grocery store, each folder has a cost of x dollars. 
Complete the situation that represents this equation. 

3x + 2 = 5

You can choose from these three options      3, 2, 5

The cost of _______  folders plus a $2 pen is the same cost of _______  folders. 

1

Which situation can be represented by the equation 1500 - 50x = 2000 - 100x

1

Which situation best represents the following equation?
6x > 50 + 2.80x

1

Jack and Tim are racing remote-controlled cars. Jack’s car travels 3.5 feet per second, while Tim’s car travels 5.25 feet per second. Because Jack’s car is slower, Tim gave Jack a 10-foot head start.

Which inequality could be used to determine after how many seconds, s, Tim’s car will be ahead of Jack’s car?

1

Pool X currently has 1,200 gallons of water and is being drained at a rate of 15 gallons per minute. Pool Y is currently empty and is being filled at a constant rate of 25 gallons per minute. Write an inequality that represents the situation when the amount of water in Pool Y is greater than the amount of water in Pool X.
Move answers to the correct boxes.   Not all answers will be used.
1200- ________ ______ ________ 

Rhonda bought five shirts from a store and had $10 left. If she had only bought three shirts, she would have had $24 left. If each shirt costs the same, which of the following equations could be used to determine x, the cost of each shirt, in dollars?

1

Todd's friend gave him 100 baseball cards. Each week, Todd purchases 15 baseball cards to add to his collection. Write an inequality that can be used to find x , the number of weeks after starting his collection when Todd will have more than 400 baseball cards in his collection. 

Choose the correct answer from each drop down menu to complete the inequality.

_______ x + _______ > _______ 

1

Diana and Teri have a collection of books. The number of books in Diana's collection can be represented with x. Teri has four times as many books as DIana. The total number of books is 200. How many books does Teri have?

1

Angie's Rental Car charges an initial fee of $20 plus an additional $30 per day to rent a car. Bucky's Rental Car charges an initial fee of $36 plus an addition $28 per day. After how many days will both car rentals charge the same amount?

_______ days

1

x=_______ 

roberto mp1 3 weeks math 7 test

Which situation can be represented by the equation 1500 - 50x = 2000 - 100x

Which situation best represents the following equation? 6x > 50 + 2.80x

Rhonda bought five shirts from a store and had $10 left. If she had only bought three shirts, she would have had $24 left. If each shirt costs the same, which of the following equations could be used to determine x, the cost of each shirt, in dollars?

Diana and Teri have a collection of books. The number of books in Diana's collection can be represented with x. Teri has four times as many books as DIana. The total number of books is 200. How many books does Teri have?

Which situation can be represented by the equation 1500 - 50x = 2000 - 100x

Which situation best represents the following equation? 6x > 50 + 2.80x

Rhonda bought five shirts from a store and had $10 left. If she had only bought three shirts, she would have had $24 left. If each shirt costs the same, which of the following equations could be used to determine x, the cost of each shirt, in dollars?

Diana and Teri have a collection of books. The number of books in Diana's collection can be represented with x. Teri has four times as many books as DIana. The total number of books is 200. How many books does Teri have?

Which situation best represents the following equation?
6x > 50 + 2.80x

Which situation best represents the following equation?
6x > 50 + 2.80x