cba 2 review

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked
  is the unit rate
• $500 is earned for every 8 hours worked
• $300 is earned after working 4 hours

Tags

CCSS.8.EE.B.5

y=kx.  What does the k represent?

• constant of proportionality
• multiplier
• scale factor
• all of these are correct

Tags

CCSS.7.RP.A.2B

A music club membership costs $15 to start and $8 per cd. Write an equation.

• C = 15 + 8
• C = 15x +8
• C = 8x + 15
• none of these

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation to find out how many hours, h, they rented the Boat if the total cost was $33.

• h = 2(9) + 15
• 33 = 15h + 2
• h = 15(9) + 2
• 33 = 2h + 15

Tags

CCSS.7.EE.B.4A

A sweater is $43. It is on sale for 20% off. What is the final price?

• $47
• $34.40
• $23
• $8.60

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.3

Mary lost 30 pounds.  Before her diet she weighed 180 pounds.  What is the percent of change?

• 17% Decrease
• 18% Decrease
• 19% Decrease
• 20% Decrease

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

• 24%
• 20%
• 11%
• 50%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

You got good service at a restaurant so you wanted to leave a 25% tip.  If the meal was $23.95, what was your amount of tip?

• 5.99
• 29.94
• 4.79
• 28.74

Tags

CCSS.6.RP.A.3C

Sales tax is __________ to the price

• subtracted
• added
• multiplied
• divided

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Daniel has dinner at a restaurant and the cost of his meal is $28.00. Because of the service, he wants to leave a 20% tip. What is his total bill including tip?

• 33.60
• 40.00
• 24.60
• 30.50

Tags

CCSS.6.RP.A.3C