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26 Jul 2022, 14:45
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
96% (01:12) correct
4%
(00:13)
wrong
based on 24
sessions
History
Date
Time
Result
Not Attempted Yet
A video game goes on sale for 15% off the original price and a customer can save an additional 10% on the sale price if she has a coupon. If Bailey buys the video game at the sale price and uses a coupon, what percent of the original price does she pay?
A. 12.5%
B. 25%
C. 75%
D. 76.5%
E. 83.5%
A. 12.5%
B. 25%
C. 75%
D. 76.5%
E. 83.5%
26 Jul 2022, 18:14
Kudos
Bookmarks
Bunuel
Let the original price be x. With the 15% discount, the price reduces to 0.85x. With the additional discount, the price is further reduced to 0.9 * 0.85x = 0.765x. Thus, Bailey paid 76.5% of the original price.
Alternate Solution:
Suppose the original price of the game is 1000. After the 15% discount, the price becomes 0.85 * 1000 = 85/100 * 1000 = 850. Applying another discount of 10%, the price becomes 0.9 * 850 = 9/10 * 850 = 9 * 85 = 765. We see that the price Bailey paid was 765/1000 = 0.765 = 76.5% of the original price.
Answer: D
