Fraction/Decimal/Percent
Percent of a Quantity
Percent of a quantity
Word Problems
100
Express 1/2 as a percent
50%
100

50% of 180

90

100

50% of 280 

140

100

Of the 800 people at a concert, 25 % of them are adults. How many adults are at the concert?

200 adults

200

Express 4/10 as a percent

40%

200

25% of 140

35

200

25% of 80

20
200
A jacket was marked down to 140$ from 280$. How much was in marked down? (in percent)

50%

300

Express 20% as a fraction

20/100

300

75% of 160

120

300

75% of 480

360

300

Who has the highest mark? 

Lisa 8/10  or Mark 82% 

Mark

400
Express 9% as a decimal.
0.09
400

25% of 148

37

400

75% of 240

180

400

A table costs $350. There is also a sales tax of 25%. How much will the tax cost?

87.5
500

Express 4/5 as a percent

80%

500

75% of 164

123

500

25% of 76

19

500

Mrs. Benitez earns $3,400 every month. She spends 25% of her earnings on rent. How much does she spend on rent?

$850

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