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19 Jun 2016, 17:34
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B
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:
81% (01:18) correct
19%
(01:29)
wrong
based on 326
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When a certain shoe store reduces the price of its best-selling style of shoe by 10 percent, the weekly sales of this style increase by 10 percent. Which of the following best describes the resulting change in the store's weekly revenue from sales of this style of shoe?
A: Revenue decreases by 10%
B: Revenue decreases by 1%
C: There is no change in revenue
D: Revenue increases by 1%
E: Revenue increases by 10%
A: Revenue decreases by 10%
B: Revenue decreases by 1%
C: There is no change in revenue
D: Revenue increases by 1%
E: Revenue increases by 10%
19 Jun 2016, 21:49
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tanad
Old price = 10, old sales = 10 --> old revenue = 100;
New price = 9, new sales = 11 --> new revenue = 99.
Revenue decreased by 1%.
Answer: B.
General Discussion
ashikaverma13
20 Jul 2017, 10:07
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Bunuel
Will the general formula used for calculating successive increase or decrease of percentage of an item be applicable here? the formula A+B+ AB/100 (Where A and B are the successive increase of decrease)
I am confused because through that method as well, the answer is B.
