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

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Senior Manager
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In a certain year the price of gasoline rose by 20% during January, fe  [#permalink]

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New post 20 Mar 2019, 10:21
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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
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Re: In a certain year the price of gasoline rose by 20% during January, fe  [#permalink]

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New post 20 Mar 2019, 10:29
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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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In a certain year the price of gasoline rose by 20% during January, fe

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