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# To reproduce an old photograph, a photographer 3x charges x

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Joined: 18 Apr 2015
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To reproduce an old photograph, a photographer 3x charges x [#permalink]  18 Mar 2018, 09:38
Expert's post
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Question Stats:

80% (00:36) correct 20% (02:23) wrong based on 10 sessions
To reproduce an old photograph, a photographer charges x dollars to make a negative, $$\frac{3x}{5}$$ dollars for each of the first 10 prints, and $$\frac{x}{5}$$ dollars for each print in excess of 10 prints. If \$45 is the total charge to make a negative and 20 prints from an old photograph, what is the value of x?

(A) 3
(B) 3.5
(C) 4
(D) 4.5
(E) 5
[Reveal] Spoiler: OA

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Joined: 15 Feb 2018
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Kudos [?]: 18 [1] , given: 33

Re: To reproduce an old photograph, a photographer 3x charges x [#permalink]  20 Mar 2018, 00:54
1
KUDOS
x + 10 * (3x/5) + 10 * (x/5) = 45 --> 9x = 45 --> x = 5
Re: To reproduce an old photograph, a photographer 3x charges x   [#permalink] 20 Mar 2018, 00:54
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