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10 Jun 2019, 01:13
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C
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Difficulty:
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Question Stats:
82% (01:10) correct
18%
(01:33)
wrong
based on 499
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The average computer price today is $700. If the average computer price three years ago was 80% of the average computer price today, what was the percentage increase in the average computer price over the past three years?
A. 15%
B. 20%
C. 25%
D. 50%
E. 80%
A. 15%
B. 20%
C. 25%
D. 50%
E. 80%
10 Jun 2019, 01:25
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Bunuel
average computer price three years ago was 80% of the average computer price today = 80/100*700 = 560 $
% increase = \(\frac{(700 - 560)}{560}\)*100
= \(\frac{140}{560}\)*100
= 25 %
Option C
10 Jun 2019, 01:43
Kudos
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Price 3 years ago: 700*0.8=560
Price increase: \(\frac{price difference}{earlier price}\)=(700-560)/560=0.25
IMO
Ans: C
Price increase: \(\frac{price difference}{earlier price}\)=(700-560)/560=0.25
IMO
Ans: C
