Finding the Percent Part and Whole

Some students are taking a timed test and they have spent 16 minutes on the test so far. If 20% of the time has gone by, how long do they have to complete the whole test?

A painter has finished painting 45% of a really long fence. If she has painted 90 feet so far, how long is the entire fence?

70% of the students at a school went on a field trip to an Aquarium. If there were 350 students on the trip, how many students attend that school?

A store’s parking lot is 10% full. If there are 12 cars in the lot, then how many cars can the entire parking lot hold?

75% of what number is 27?

• 30

• 36

• 25

• 40

$13 is what percent of $52 ?

• 25 %

• $ 25

• 4 %

• $ 4

Mrs. Breon has 110 fiction books and 90 non-fiction books on her shelf.  What percent of her library is non-fiction? 

• 45%

• 90%

• 100%

• 10%

What is 20% of 75?

• 15

• 60

• 6

• 1.5

While playing his favorite video game, Damien sees that his character has leveled up to 70% of the maximum ranking. If he has played for 56 total hours to get to 70%, how many total hours will he need to play to achieve 100% rank?

• 67 hours

• 74 hours

• 80 hours

• 89 hours

What percent of 190 equals 19?

• .1 %

• 1 %

• 10 %

• 19 %