Quiz 1A.2 Review (8th)

Solve:
7x - 3x - 8 = 24

• 8
• -8
• 3.2
• 4

• 2

• -2 

• 13

• - 13 

• 12

• - 12 

• 24 

• - 24

Solve for x.

• 55
• 60
• 15
• 35

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation for C, the total cost, to rent the boat for h hours.

• h = 2C + 15
• C = 15h + 2
• h = 15C + 2
• C = 2h + 15

Each month, Olin’s cell phone plan costs $34.99, plus $12.95 per GB of data that he uses. His bill this month was $60.89. Which equation can be used to find the amount of data (d) Olin used this month?

• 34.99d +12.95 = 60.89

• 34.99 + d = 60.89

• 34.99 - 12.95d = 60.89

• 34.99 + 12.95d = 60.89

The temperature where Cally lives is 73℉ and is falling 2℉ per hour. Which of the following equations can be used to determine how many hours (x) it will take for the temperature to drop to 65℉?

• 73 - 2x = y

• 73 - 65 = 2x

• 65 - 2x = y

• 2x - 73 = y

Justin is purchasing a new iPhone.  The sales clerk says that if he pays $100 now his monthly payments will be $25 and his total cost will be $600.  Which equation can be used to determine how many months Justin will be paying for his phone? 

• 25x + 100 = 600
• 25x - 100 = 600 
• 600 - 100x = 25
• 600 + 25x = 100 

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50. How many hours would you rent the car to cost you $80.75?

• 6 hours

• 6.5 hours

• 7 hours