Question: At the beginning of June, a store bought a winter coat and priced it at $60. By the end of the month, the coat had not sold, so the store marked it down 25%. Cassie then sold the coat, earning a commission of 20% of the sale price. How much commission did she make from the sale?
(1) $9
(2) $8
(3) $10
(4) $5
Solution:
REMEMBER : Discount formulas:
discount price = original price − discount
discount = discount percentage × original price
Commission formula:
commission = commission percentage × sales
First find the discount price. Write 25% as the decimal 0.25 before using it in the equation.
discount price = original price − discount
= 60 − 0.25 × 60
= 60 − 15
= 45
The discount price was $45.
Now find the commission. Write 20% as the decimal 0.20 before using it in the equation.
commission = commission percentage × sales
= 0.20 × 45
= 9
The commission was $9.
Then the option is (1).
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