Question

A basketball, originally priced at $15, was on sale for 10% off. How much will a customer save by buying it at the sale price?


5.00
10 % = 10 / 100 = 0.1

0.1 ∙ $15 = $ 1.5

OR

New price is:

90% ∙ $15 = 90 / 100 ∙ $15 = 90 ∙ $15 / 100 = $ 1350 / 100 = $ 13.5


$15 - $13.5 = $ 1.5

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