- In an English Composition course which has 60 students, 15% of the
students are mathematics majors. How many students are math
majors? - A student correctly answered 35 of the 40 questions on a mathematics
exam. What percent did she answer correctly? - A car dealer bought a car for $1500 at an auction and then sold it for
$3500. What was the percent gain on the cost? - An automobile service station inspected 215 vehicles, and 80% of
them passed. How many vehicles passed the inspection? - The sales tax rate in a certain state is 7%. How much tax would be
charged on a purchase of $117.50? - A person saves $200 a month. If her annual income is $32,000 per
year, what percent of her income is she saving? - A house sold for $80,000. If the salesperson receives a 4% commis-
sion, what was the amount of his commission? - If the markup on a microwave oven is $42 and the oven sold for $98,
find the percent of the markup on the selling price. - A video game which originally sold for $40 was reduced $5. Find the
percent of reduction.
ANSWERS- $600
- 9
- 87.5%
- 133.3%
- 172
- $8.23
- 7.5%
- $3200
- 42.86%
- 12.5%
Quiz
- Write 6% as a decimal.
(a) 0.006
(b) 0.06
(c) 0.6
(d) 6.0
122 CHAPTER 6 Percent