Calculating Percent
Name________________________
A. Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Write 78% as a decimal.
a. 78.00
b. 0.78
c. 780.0
d. 7.80
____ 2. Write 175% as a decimal.
a. 1.175
b. 175
c. 1.75
d. 0.175
____ 3. Write 989% as a decimal.
a. 9890
b. 98.9
c. 989
d. 9.89
____ 4. Write 0.14% as a decimal.
a. 0.0014
b. 0.014
c. 0.14
d. 1.4
c. 88.4
d. 0.884
c. 6.59%
d. 6.57%
c. 174%
d. 137%
____ 5. Write 88.4% as a decimal.
a. 884
b. 8.84
____ 6. Write this fraction as a percent.
659
100
a. 659%
b. 653%
____ 7. Write this fraction as a percent.
a. 184%
b. 17.4%
____ 8. Find 0.4% of 190.
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a. 4.75
b. 0.76
c. 0.076
d. 19.04
____ 9. Find 400% of 8.
a. 32
b. 29
c. 35
d. 27
____10. Find 170% of 58.
a. 9.86
b. 98.6
c. 986
d. 2.28
c. 19.18
d. 191.8
____ 11. Find 274% of 70.
a. 39.14
b. 1918
____12. Thomas walked his dog for 37 minutes today, 4 more minutes than yesterday.
Write as a percent his walking time today compared to his walking time yesterday.
Round your answer to the nearest percent.
a. 124%
b. 109%
c. 112%
d. 114%
B. Short Answer
1. Write 2.76 as a fraction and as a percent.
2. Write 0.003 as a fraction and as a percent.
3. The cost price of a pair of hiking boots is $80. The selling price is 230% of the
cost price. What is the selling price of the boots?
4. A charity run had 1650 people registered. Of these, about 0.8% finished in
under 45 min. How many people completed the run in under 45 min?
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5. The population of a small town was 4800. The population decreased by 5% one
year then decreased by 15% the following year. What was the town’s population
at the end of each year?
6. Complete this table.
Percent
Value
2000% of 320
200% of 320
20% of 320
2% of 320
0.2% of 320
C. Word Problems – Show all thinking! Meaning show all your work.
1. In 1850, a small town had a population of 500.
After gold was discovered in 1888, the population increased to 1000%.
By 1915, the gold was gone and the population dropped to 0.8% of the 1888
population.
A) What was the population in 1888?
B) What was the population in 1915?
2. An antique vase was priced $120. After 5 years, the value of the vase has
increased by 20%. What is the new price of the vase? Show your work.
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3. An immunization program claims that 99.75% of those vaccinated are safe from
a virus. If 564 000 children were vaccinated, about how many are still at risk?
4. A jeweler sold a necklace for $170.00. This represents a loss of 15% of the
cost she paid for the necklace. Find how much the jeweler paid for the
necklace.
5. A dealer bought an item for $100. He added 5% to its price and 2 weeks later,
offered it for sale at a discount of 5%. Did the dealer make a profit? By what
percent? Explain.
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