Percent of a Number Problems

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 correctly?

• 17 problems

• 24 problems

• 20 problems

• 18 problems

There are 42 teachers that work in a school.  On Friday, 29 teachers were present.  What percent of the teachers showed up for work? 

• 50%

• 69%

• 55%

• 80%

Sandals are on sale for 30% off. The original price of one pair of sandals is $30. What is the new cost of sandals after the discount?

• $4.50

• $21.00

• $9.00

• $11.60

If a $25 jacket is on sale for 40% off, what is the amount of discount? (Hint: What is 40% of $25?)

• $1.00

• $4.00

• $10.00

• $2.50

75% of a number is 354. Find the number.

• 265.5

• 47.2

• none of those

• 472

Find the missing value: 45% of ___ is 150.

• 67.5

• 333 1/3

• 815

• none of those

A restaurant has a sign by the door that says "Maximum occupancy: 75 people." What percent of its capacity is 9 people?

• 9%

• 75%

• 12%

• 21%

Pacino worked 8 hours out of the day.

Which proportion could you use to find the percent of the day he was working?

(Hint: There are 24 hours in a day.)

• 
• 
• 
• 

120% of a number is 45. Find the number.

• 54

• 5.4

• 37.5

• none of those

The graph shows the number of baseball cards Jimmy had in his collection on May 1 and on June 1. What was the percent increase in the number of cards from May 1 to June 1?

• 25%

• 20%

• 21%

• 30%