percent proportion word problems

Ryan bought a CD for $17, a pair of shoes for $30 and a pair of jeans for $25. The tax rate is 6%. What was the total cost of Ryan's purchases?

• $76.32

• $74.32

• $72.00

• $4.32

Tags

CCSS.6.RP.A.3C

Ella has a music collection. 75% of her songs are rock music. If she has 40 rock songs, how many songs does Ella have in her whole collection?

• 53

• 3000

• 10

• 30

Tags

CCSS.6.RP.A.3C

Dr. Hall files 320 insurance claims every month. If 5% of those claims are rejected, how many of the claims are accepted?

• 304

• 16

• 300

• 20

Tags

CCSS.6.RP.A.3C

A student earned a grade of 80% on a math test that had 30 problems. How many problems on this test did the student answer incorrectly?

• 24

• 6

• 16

• 20

Tags

CCSS.6.RP.A.3C

There are 36 boys on a school bus. If 60% of the students on the bus are girls, how many total students are there? Use a proportion to solve.

• 74 students

• 90 students

• 69 students

• 81 students

Tags

CCSS.7.RP.A.3

Amanda has finished 9 problems on her math study guide. If this is 75% of the problems on her study guide, how many problems are on the entire study guide? Use a proportion to solve.

• 15 problems

• 12 problems

• 3 problems

• 69 problems

Tags

CCSS.6.RP.A.3C

Three out of five students in Mrs. Mellow's class play chess. What percentage of students in her class play chess?

• 69%

• 60%

• 75%

• 96%

Tags

CCSS.7.RP.A.3

CCSS.7.RP.A.2