Unit 7 Test Review

Steve spent $50 online shopping. He bought some DVDS for $18 each and a t-shirt for $14. Which equation can be used to find n, the number of DVDs Steve could have bought?

• 18n+14=50

• 14n+18=50

• 32n=50

• 18n+14n=50

What is the solution to the equation 4a+6=16?

• 2

• 3.5

• 2.5

• 1.75

Which situation can be represented by the equation?

20x + 175 = 550

• Matt needs $550 for soccer camp next summer. Matt has $20 saved and earns $175 each week helping his neighbors do yard work. Matt helped his neighbors for x weeks, until he had $550 saved.

• Matt needs $550 for soccer camp next summer. Matt earns $190 each week helping his neighbors do yard work. Matt helped his neighbors for x weeks, until he had $550 saved.

• Matt needs $550 for soccer camp next summer. Matt has $190 saved and earns $20 each week helping his neighbors do yard work. Matt helped his neighbors for x weeks, until he had $550 saved.

• Matt needs $550 for soccer camp next summer. Matt has $175 saved and earns $20 each week helping his neighbors do yard work. Matt helped his neighbors for x weeks, until he had $550 saved.

What is the solution to this equation?

4x+12=56

Which situation can be represented by the equation?

55w + 99.95 = 979.95

• Taylor paid $979.95 for horse riding lessons. She paid $99.95 for each week she was enrolled in the classes after using a coupon that gave her $55 of the price per week. What is w, the number of weeks Taylor was enrolled in horse riding classes?

• Taylor paid $979.95 for horse riding lessons. She paid a $99.95 registration fee and $55 for each week she was enrolled in the classes. What is w, the number of weeks Taylor was enrolled in horse riding classes?

• Taylor paid $979.95 for horse riding lessons. Taylor paid $99.95 for each week she was enrolled in the classes, and her brother paid $55 for each week he was in enrolled in the classes. What is w, the number of weeks Taylor and her brother were enrolled in horse riding classes?

• Taylor paid $979.95 for horse riding lessons. She paid a $55 registration fee and $99.95 for each week she was enrolled in the classes. What is w, the number of weeks Taylor was enrolled in horse riding classes?

If t=18, which equation is true?

• 2(t - 8) = 20

• 2t - 36 = 72

• 4(t - 6) = 4

• 3(t - 12) = 6

Luis has $145 in his savings account. He earns $36 a week mowing lawns. If he saves all of his earnings, after how many weeks will he have $433 saved? Write and solve an equation to determine the number of weeks he will need to save.

• 4

• 16

• 12

• 8

What is the solution for the equation?

26.95 = 8.95 + 1.5x

The model represents the equation 2x - 9 =5. What is the value of x?

• x = 14

• x = 7

• x = 4

• x = -4

Tags

CCSS.7.EE.B.4A

The model represents the equation 2c + 1 = 11. What is the first step in finding c?

• subtract 1 counter from each side

• add 1 counter to each side

• subtract 2 counters from each side

• add 2 counters to each side

Tags

CCSS.7.EE.B.4A