A shoe Cobbler charges n dollars

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A shoe Cobbler charges n dollars [#permalink]

03 Jan 2013, 01:09

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Question Stats:

66% (01:58) correct

33% (02:29) wrong

based on 2 sessions

A shoe cobbler charges n dollars to repair a single pair of loafers. Tomorrow, he intends to earn 240 dollars repairing loafers. If he were to reduce his fee per pair by 20 dollars, he would have to repair an additional pair of the loafers to ear the same amount of revenue. How many pair of loafers does he intend to repair tomorrow?

Choices:
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

[Reveal] Spoiler: OA

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Last edited by PraPon on 04 Jan 2013, 09:29, edited 2 times in total.

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Re: A shoe Cobbler charges n dollars [#permalink]

03 Jan 2013, 02:33

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PraPon wrote:

240/n=240/(n-20)-1 --> n=80 --> 240/n=240/80=3.

Answer: C.

P.S. Please provide OA's for the questions and tag them correctly.
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Re: A shoe Cobbler charges n dollars [#permalink] 03 Jan 2013, 02:33

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A shoe Cobbler charges n dollars

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A shoe Cobbler charges n dollars

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