Ratios, Proportions and Percents

The Eastside High School marching band is made up of the instrument players and the percussion. If there are 245 members who play instruments and there are 35 percussion members, then what percent of the marching band is percussion?

• 35%

• 12.5%

• 30%

• 14%

Tags

CCSS.7.RP.A.3

CCSS.7.RP.A.2

As part of a survey, 300 girls were asked to name their favorite sport. The results showed that 12 of the girls named bowling as their favorite sport. What percentage of the girls in the survey named bowling as their favorite sport?

• 4%

• 12%

• 25%

• 0.04%

Tags

CCSS.7.RP.A.3

CCSS.7.RP.A.2

Solve the proportion.

• k = 5

• k = 3.3333333

• k = 60

• k = 90

Tags

CCSS.7.RP.A.2B

At an animal shelter, 12% of the cats are Siamese. If there are a total of 75 cats at the shelter, how many are Siamese?

• 9

• 12

• 54

• 8

Tags

CCSS.6.RP.A.3C

The last time Brea played softball, she hit the ball 35% of the times she was at bat. Based on this information, how many times will Brea hit the ball the next time she plays if she is at bat 20 times?

• 4

• 7

• 15

• 20

Tags

CCSS.6.RP.A.3C

There are 56 cookies and 14 cupcakes leftover at a bake sale. What is the ratio of cupcakes to cookies?

• 56/14
• 1/4
• 2/9
• 14/56

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Austin got 72% of the questions correct on his last math quiz. If there were 25 total questions, how many did he answer correctly?

• 72

• 7

• 18

• 12

Tags

CCSS.6.RP.A.3C

Are these two ratios proportional?
5/7 and 8/10

• Yes
• NO

Tags

CCSS.6.RP.A.3A

Mike can do 7 push-ups every 15 seconds.  How long would it take him to do 42 push-ups?

• 90 seconds
• 21 seconds
• 6 seconds
• 2 hours

Tags

CCSS.6.RP.A.3B

Mr. Boyle replaced 25% of the boards on his wooden deck.  If he replaced 19 boards, how many boards does his deck contain in total?

• 49 boards
• 19 boards
• 25 boards
• 76 boards

Tags

CCSS.6.RP.A.3C