7th Grade Math Ratios and Proportion Review

What was Brian's unit rate?

• 3/2 word per minute

• 30 minutes per word

• 60 minutes per word

• 30 words per minute

Tags

CCSS.7.RP.A.2D

Mr. Diaz changed his showerhead to conserve water and energy. The table below shows the relationship between the amount of flow and the duration of the water flow.

Which statement best describes the rate of water flow?

• 0.4 gallons per minute

• 2.1 gallons per minute

• 2.5 gallons per minute

• 3.0 gallons per minute

Tags

CCSS.7.RP.A.2D

The graph below shows a builder’s profit for townhouses he sold. What is the builder’s increase in profit if he sells 5 more townhouses?

• $8,000

• $20,000

• $40,000

• $45,000

Tags

CCSS.7.RP.A.2D

The graph shows data from a science experiment in which the temperature of a substance was measured over time. What is the constant of proportionality for degrees per minute?

• 4

• 2

• 1/2

• 1/4

Tags

CCSS.7.RP.A.2D

Elena deposits $1,500 in a savings account that earns 3.0% simple interest per year. If no deposits or withdrawals are made during the year, how much money will be in her account after one year?

• $1,530

• $1,545

• $1,800

• $1,950

Tags

CCSS.7.RP.A.3

Kristen bought a game for $24.95. She paid 7.75% sales tax. How much did she pay?

• $17.20

• $19.34

• $26.88

• $32.70

Tags

CCSS.6.RP.A.3C

Joseph bought a bike for $78. He sold it to Cara for 8% less than he bought it for. How much did Cara pay for the bike?

• $62.40

• $70.00

• $71.76

• $77.20

Tags

CCSS.6.RP.A.3C

There are 240 students at Madison Middle School. The ratio of boys to girls is 2:3. How many girls go to Madison Middle School?

• 160

• 144

• 96

• 80

Tags

CCSS.7.RP.A.3

CCSS.7.EE.B.3

CCSS.7.RP.A.2

Mitch took out a school loan for $24,000. The interest rate on the loan was 8%. Mitch paid off the loan in just 5 years. How much did he pay altogether?

• $9,600

• $14,400

• $33,600

• $31,200

Tags

CCSS.7.RP.A.3

Greg put $1,000 into an investment that had 6% annual interest. The money is left in the account for 2 years. How much interest do you get at the end of those 2 years?

• $1,006

• $1,600

• $120

• $880

Tags

CCSS.7.RP.A.3