Solving Percent Problems

A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answers correctly?

• 25 problems

• 16 problems

• 18 problems

• 9 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)

• about 80.6%

• about 124.1%

• 36%

• 29%

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)

• about 8.8 ounces

• about 8.15 onces

• about 7.6 ounces

• about 6.3 ounces

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)

• about 98 problems

• about 86 problems

• about 88 problems

• about 84 problems

If 30% of a number is 45, what is the number?

• 135

• 150

• 120

• 100

Solve the questions on paper. Drag the correct answer to each problem.

e

f

a

c

17.8%

6.7%

83.3%

20

65

80

If 70% of a number is 210, what is 30% of the same number?

Solving word problems involving percentages: If 35% of a pizza was eaten and 8 slices remain, how many slices were there originally?

• 5

• 20

• 10

• 13

Solving word problems involving percentages: If a car depreciated by 15% and its original value was $20,000, what is its current value?

• $16,000

• $18,000

• $17,000

• $19,000

Solving word problems involving percentages: If 60% of a class of 30 students passed the test, how many students passed?

• 40

• 25

• 12

• 18