Percent Word Problems As Decimal Expressions Worksheet
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20Name:
Percent Word Problems as Decimal Expressions
Determine which expression is the correct answer.
A n s w e r s
1) A cell phone company dropped the prices on their phones by 9%. Which expression shows
the new price of the phones(p)?
A
1.
A. p - 0.09p
B. p - 1.09
C. p × 0.09
D. p - 0.09
C
2.
2) Over the summer gas prices dropped 3%. Which expression shows the new price of a gallon
of gas? (the old price is represented by g)
B
3.
A. g × 0.03
B. g - 1.03
C. g - 0.03g
D. g - 0.03
A
4.
3) While clearing out some old inventory a store offered 10 percent off of any item(i). Which
expression can be used to calculate the new cost of an item?
B
5.
A. i - 1.1
B. i - 0.1i
C. i × 0.1
D. i - 0.1
B
6.
4) Joe was earning $11 an hour before his raise. After his 5% raise he was making $11.55 an
hour. Which expression shows how his new hourly rate was calculated?
B
7.
A. 11 × 1.05
B. 11 × 0.05
C. 11 + 0.05
D. 11 + 1.05
B
8.
5) A mall kiosk needed to buy 33 new cell phone cases at z dollars a piece. Because they were
buying so many they got 5% off the price. Which expression shows how much money they
C
9.
saved?
A. 33z - 0.05
B. 0.05 × 33z
C. 33z + 0.05
D. 33z + 1.05
A
10.
6) Roger drew a square with each side being exactly 12 centimeters long. If he wanted to make
the square 6% larger which expression can he use to find the new sides length?
A. 12 + 1.06
B. 12 × 1.06
C. 12 × 0.06
D. 12 + 0.06
7) The regular price of a computer was 893 dollars, but over the weekend it'll be on sale for for
10 percent off. Which expression shows the difference in price from normal(n) to sale?
A. n - 10
B. n × 0.1
C. n - 1.1
D. n - 0.1
8) A house was on sell for $23,474. If you wanted to offer 7% less than the asking price(p)
which expression shows how much you should offer?
A. p - 0.07
B. p - 0.07p
C. p - 1.07
D. p × 0.07
9) A company was having a sale for 19% off the price of computer monitors. Which
expression shows how much money you would save if you bought 25 monitors for z dollars
a piece?
A. 25z - 0.19
B. 25z + 1.19
C. 0.19 × 25z
D. 25z + 0.19
10) Last year the price of a college textbook(b) was $197. This year the price will be 13%
higher. Which expression shows the difference in price from last year to this year?
A. b × 0.13
B. b - 1.13
C. b - 0.13
D. b - 13
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Math
1
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