Math 6/7: Rates and proportions Part 1 Review

45% of what number is 90?

• 900

• 45

• 200

• 40.5

51 is 85% of what number?

• 60

• 5100

• 4335

• 43.35

What percent of 50 is 20?

• 40%
• 25%
• 2.5%
• 4%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

78 is what percent of 450?

• 5%
• .17
• 17%
• 18%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is 40% of 230?

• 92
• 9200
• 9.20
• 575

Tags

CCSS.6.RP.A.3C

The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?

• 10%
• 20%
• 80%
• 90%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A survey of 1,000 people was done by the New York Times. 80% of the people did not know the name of their representative in Congress. How many of the 1,000 people knew the name of the Congressman?

• 200
• 400
• 600
• 800

Tags

CCSS.6.RP.A.3C

Bill is in a class of 15 boys and 35 girls. 40% of the students in the class take the bus to school. How many students do not take the bus to school?

• 15
• 20
• 30
• 35

Tags

CCSS.6.RP.A.3C

In the Central City Grand Prix, out of 30 cars that started the race, 12 of them finished. What percent of the cars finished the race?

• 20%
• 40%
• 60%
• 80%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

No-Freeze antifreeze mixture contains 30% alcohol. How much alcohol is there in 15 quarts of No-Freeze?

• 4.5
• 6.5
• 8.5
• 10.5

Tags

CCSS.6.RP.A.3C