Proportions

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.

• p/12=100/75

• p/100=12/75

• p/12=75/100

• p/75=12/100

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 60 points.
The test score is 50%.

• p/100=50/60

• p/50=60/100

• p/60=100/50

• p/60=50/100

Solve.

• 4

• 1

• 16

• 2

Solve for x

• x = 19.6

• x = 5/98

• x = 101/5

Solve for x 

• x = 6

• x = 25

• x = 28

• x = 17

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

• 10%

• 20%

• 80%

• 90%

If 7 sandwich rolls cost $1.68, how much will 29 rolls cost?

• $11.76

• $6.96

• $13.76

• $7.96

What percent of 50 is 20?

• 40%

• 25%

• 2.5%

• 4%

6 of the 16 students in Mrs. Crew's class were serving detention. What is the percent of students serving detention?

• 16%

• 60%

• 37.5%

• 62.5%

What is 40% of 230?

• 92

• 9200

• 9.20

• 575