Problem

QUESTION 3 Solve the problem. Bathing suits are often on sale in July. The regular price of one suit is $ \$ 17 $. With a $ 20 \% $ discount, what is the sale price of the suit? $ \$ 13.60 $ $ \$ 3.40 $ $ \$ 12.60 $ $ \$ 14.60 $

Solution

Step 1 ：1. Calculate the discount amount: $0.20 \times 17$

Step 2 ：2. Subtract discount amount from regular price: $17 - \text{discount amount}$

Step 3 ：3. Simplify the expression: $17 - 0.20 \times 17$

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