A mall kiosk needed to buy 40 new cell phone cases at z dollars a piece. Because they were
buying so many they got 18% off the price. Which expression shows how much money they
saved?
A. 0.18 × 40z B. 40z + 1.18 C. 40z + 0.18 D. 40z - 0.18
2) A box of cereal advertised having 49% more marshmallows. The original cereal had y cups of
marshmallow. Which expression shows the how many cups of marshmallows the new cereal has?
A. y + 1.49 B. y × 0.49 C. y + (0.49 × y) D. y + 0.49
3) Billy drew a square with each side being exactly 8 centimeters long. If he wanted to make the
square 13% larger which expression can he use to find the new sides length?
A. 8 × 0.13 B. 8 + 1.13 C. 8 + 0.13 D. 8 × 1.13
4) A cell phone company dropped the prices on their phones by 10%. Which expression shows the
new price of the phones(p)?
A. p × 0.1 B. p - 1.1 C. p - 0.1p D. p - 0.1
5) A store raised the price on watermelons 14%. The original price for each was X dollars. Which
expression shows the new price of the watermelons?
A. X + 0.14 B. X × 0.14 C. X + (0.14 × X) D. X + 1.14
6) Joe was earning $8 an hour before his raise. After his 5% raise he was making $8.4 an hour.
Which expression shows how his new hourly rate was calculated?
A. 8 + 0.05 B. 8 × 1.05 C. 8 × 0.05 D. 8 + 1.05
7) Over the summer gas prices dropped 2%. Which expression shows the new price of a gallon of
gas? (the old price is represented by g)
A. g - 0.02 B. g - 1.02 C. g - 0.02g D. g × 0.02
8) A company was having a sale for 11% off the price of computer monitors. Which expression
shows how much money you would save if you bought monitors for z dollars a piece?
A. 20z - 0.11 B. 0.11 × 20z C. 20z + 0.11 D. 20z + 1.11
9) A house was on sell for $22,871. If you wanted to offer 13% less than the asking price(p) which
expression shows how much you should offer?
A. p - 1.13 B. p - 0.13 C. p × 0.13 D. p - 0.13p
10) The regular price of a computer was 484 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 - 0.1 D. n - 1.1
1) A. 0.18 × 40z
2) C. y + (0.49 × y)
3) D. 8 × 1.13
4) C. p - 0.1p
5) D. X + 1.14
6) D. 8 + 1.05
7) A. g - 0.02
8) B. 0.11 × 20z
9) D. p - 0.13p
10) D. n - 1.1