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# If 5^x 5^(x - 3 )= (124)(5^y), what is y in terms of x? A.

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If 5^x 5^(x - 3 )= (124)(5^y), what is y in terms of x? A. [#permalink]  01 Jun 2008, 12:31
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If 5^x – 5^(x - 3 )= (124)(5^y), what is y in terms of x?
A. x
B. x - 6
C. x - 3
D. 2x + 3
E. 2x + 6

Last edited by goalsnr on 01 Jun 2008, 17:36, edited 1 time in total.
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Joined: 03 Sep 2006
Posts: 884
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Kudos [?]: 287 [0], given: 33

Re: PS-exp [#permalink]  01 Jun 2008, 15:07
goalsnr wrote:
If 5^x – 5^(x - 3 )= (124)(5y), what is y in terms of x?
A. x
B. x - 6
C. x - 3
D. 2x + 3
E. 2x + 6

In your question is it $$5^y$$ or $$(5*y)$$ as written by you. The answers would be $$(x-3)$$ and $$(5)^(x-4))$$ respectively.

Please type the correct questions, saves time for the people trying to solve for you.
Re: PS-exp   [#permalink] 01 Jun 2008, 15:07
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