Lesson 81: Using proportions to solve percent problems.

There are 36 carpenters in a crew. On a certain day, 29 were present. What percent showed up for work? (round to the nearest tenth).

• 70.5%

• 64.2%

• 29.3%

• 80.6%

A student earned a grade of 80% on a math test that had 20 problems. How many problems on his test did the student answer correctly? (round to the nearest whole number).

• 14

• 15

• 16

• 17

Tags

CCSS.6.RP.A.3C

A metal bar weighs 8.15 ounces. 93% of the bar is silver. How many ounces of silver are in the bar? (round to the nearest tenth)

• 7.6

• 6.7

• 8.6

• 8.7

Tags

CCSS.6.RP.A.3C

A student answered 86 problems on a test correctly and received a grade of 98%. How many problems were on the test, if all the problems were worth the same number of points? (round to the nearest whole number).

• 77

• 87

• 88

• 78

Tags

CCSS.6.RP.A.3C

Pamela bought an electric drill at 85% of the regular price. She paid $32.89 for the drill. What was the regular price? (round to the nearest tenth).

• $45.23

• $38.69

• $75.23

• $25.68

Tags

CCSS.6.RP.A.3C

Ben earns $12,800 a year. About 15% is taken out for taxes. How much is taken out for taxes?

• $1,500

• $3,192

• $9,290

• $1,920

Tags

CCSS.6.RP.A.3C

There are 32 students in a class. 9 of those students are women. What percent are men? (round to the nearest tenth).

• 73.2%

• 71.9%

• 72.3%

• 79.1%

Tags

CCSS.6.RP.A.3C

The Royals softball team played 75 games and won 55 of them. What percent of the games did they lose? (round to the nearest tenth).

• 65.3%

• 42.5%

• 86.2%

• 26.7%

Tags

CCSS.6.RP.A.3C

Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "Part and Whole"?

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• 
• 

Tags

CCSS.7.RP.A.2C

Which of these is set up correctly for "Find 40% of the number 85"?

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Tags

CCSS.6.RP.A.3C