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# In a certain year the price of gasoline rose by 20% during January, fe

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Senior Manager
Status: Manager
Joined: 02 Nov 2018
Posts: 280
In a certain year the price of gasoline rose by 20% during January, fe  [#permalink]

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20 Mar 2019, 10:21
00:00

Difficulty:

45% (medium)

Question Stats:

65% (02:22) correct 35% (03:07) wrong based on 17 sessions

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In a certain year the price of gasoline rose by 20% during January, fell by 20% during February, rose by 25% during March, and fell by x% during April. The price of gasoline at the end of April was the same as it had been at the beginning of January. To the nearest integer, what is x?

(A) 12

(B) 17

(C) 20

(D) 25

(E) 35
Intern
Joined: 26 Feb 2019
Posts: 6
Re: In a certain year the price of gasoline rose by 20% during January, fe  [#permalink]

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20 Mar 2019, 10:29
B
Let intial price be Z
Z(1+0.2)(1-0.8)(1+0.25)(1-X)=Z

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Re: In a certain year the price of gasoline rose by 20% during January, fe   [#permalink] 20 Mar 2019, 10:29
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