**A sweater that normally sells for $78 is marked 15% off. Which of the following estimates the sale price of the sweater?**

$12

$66

$22

$69

*Correct Answer : B*

we are to find the selling price of the sweater from the marked price and the discount. The marked price is given as

Discount=mark off rate*original price

Discount=15%*$78

Convert 15% into a fraction, which become 15/100=0.15. Then

Discount=0.15*$78=$11.70

The selling price of the sweater will be the original price less the discount or mark off value. Then,

Thus, the approximate selling price of the sweater is $66.

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