# Math

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a drugstore had a promotion in which \$0.50 was refunded to customers for each \$10.00 spent on merchandise. if a customer spent \$20.00 on merchandise during this promotion, the refund was equal to what % of the amount spent?

1 1/4%
2 1/2%
5%
25%
50%

• Math -

0.5/10 = x/100

Cross multiply and solve for x.

10x = 50

x = 5

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