Percentage Problems
25% of _ is 21
84
Julia reads 144 pages in 4 hours. If she reads at a constant rate, how many pages does she read in 1 hour.
36 pages
Annalisa and Sally went to the store to buy apples. Together they bought 30 apples. The ratio of apples that Annalisa bought to those that Sally bought is 4:6. How many apples did Sally buy?
18
Henry has 15 lawns mowed out of a total of 60 lawns. What percent of the lawns does Henry still have to mow?
75%
Ashley can drive 174 miles in 3 hours. Enter the number of miles Ashley can drive in 4 hours at this rate.
232 miles
Nia and Elaine bought some books. Altogether, they have bought 36 books. If the ratio of books that they bought was 4:5, how many books did they each buy?
Nia bought 16 books and Elaine bought 20 books
Marissa got an 85% on her math quiz. She had 34 questions correct. How many questions were on the quiz?
40
Shawna swims a distance of 27 miles in 162 minutes. Assume Shawna maintains a constant speed. Enter the number of minutes it takes Shawna to swim 1 mile.
6 minutes
Mrs. Rodriguez and Jose are grading papers. Together they have 512 pages to grade. The ratio that Mrs. Rodriguez grades to those that Jose grades is 34:30. How many pages did Mrs. Rodriguez grade, and how many pages did Jose grade?
272 and 240
10% of _ is 480
48
Which parachute has a slower decent: a red parachute that falls 10 feet in 4 seconds or a blue parachute that falls 12 feet in 6 seconds?
the red parachute
Loren and Julie have different part time jobs after school. Loren works 2 hours for $18. Julie works 3 hours for $36. What is the ratio of how much Loren makes per hour, and the ratio of how much Julie makes per hour?
Loren is 1:9; Julie 1:12
Lucas read 30% of his book containing 480 pages. What page is he going to read next?
30% of 480 is 144, so he will read page 145 next
A sixth grade math teacher can grade 25 homework assignments in 20 minutes. Is she working at a faster rate or a slower rate than grading 36 homework assignments in 30 minutes?
It is faster to grade 25 assignments in 20 minutes.
Loren and Julie have different part time jobs after school. Loren makes $18 for every 2 hours, and Julie makes $36 for every 3 hours. What is the ratio between how much Loren makes per hour and Julie makes per hour?
3:4