Nezzie is shopping for items for her daycare because the store is having a sale where everything in the store is 10% off. Nezzie buys a playhouse for $100.29 and a music center for $59.99. She has a coupon for an additional 15% off on the playhouse. Before tax, Nezzie estimates that her total, after discounts, will be about $122. Determine if Nezzie has estimated correctly.
Answer
A
Yes. Nezzie has estimated correctly.
B
No. Nezzie has taken 25% off from the music center, which is not correct.
C
No. Nezzie has taken successive discounts on the total, but the coupon is just on the playhouse.
D
No. Nezzie has estimated 10% off the original price of the playhouse not the discounted price.
Explanation
The 10% store discount applies to both items, but the extra 15% coupon applies only to the playhouse. The playhouse costs about $100.29 × 0.90 × 0.85 = $76.72 after both discounts, and the music center costs about $59.99 × 0.90 = $53.99. Together they cost about $130.71, not $122. Nezzie’s estimate is close to applying both discounts successively to the entire $160.28 total, so the best answer is that the coupon is just on the playhouse.
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