Lesson 3.7 – Solving Percent Problems

Name: __________________________________ Date: ___________________ Hour: ___________
Lesson 3.7 – Solving Percent Problems
Use a proportion or equation to solve the following percent problems.
1.)
28% of 70 is what number?
2.)
Of the 950 students at Faribault Middle School, 68% ride the bus to school. How
many students ride the bus to school?
3.)
The purchase price of a book is $35.85. The sales tax rate is 6.5%. How much is the
sales tax to the nearest cent?
4.)
In addition to her salary, Zoe earns a 3% commission, or fee paid based on
a percent of her sales, on every vacation package that she sells. One day,
she sold the three vacation packages shown. What was her total
commission?
5.)
What percent of 94 is 42.3
6.)
Of the 120 math tests, 47 were Bs. What percent of the math tests were Bs?
7.)
Sixteen of the 80 dogs at a kennel are golden retrievers. What percent of the dogs
at the kennel are golden retrievers?
8.)
The bar graph shows the results of an online survey of people aged
15–25 about their political involvement over the last 12 months.
What percent of the people boycotted?
9.)
40% of what number is 36?
10.) Beethoven wrote 9 trios for the piano, violin, and cello. These trios make up 20% of
the chamber music pieces Beethoven wrote. How many pieces of chamber music did
he write?
11.) The number of lime-flavored gumballs in a gumball machine is 85. If this is 17% of the
number of gumballs in the machine, how many gumballs are in the machine?
12.) The circle graph shows the results of a survey about
New Year’s Resolutions. If 1295 people said they would
like to lose weight or exercise more, how many people
were surveyed?