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# If the sum of the annual salary of n persons is $x and the monthly sal  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics Author Message Math Revolution GMAT Instructor Joined: 16 Aug 2015 Posts: 4888 GPA: 3.82 If the sum of the annual salary of n persons is$x and the monthly sal [#permalink]

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26 Apr 2017, 00:19
00:00

Difficulty:

35% (medium)

Question Stats:

89% (00:45) correct 11% (02:29) wrong based on 9 sessions

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If the sum of the annual salary of n persons is $x and the monthly salary per person is$y, what is the value of n in terms of x and y?

A. $$\frac{x}{12y}$$
B. $$\frac{12x}{y}$$
C. $$12xy$$
D. $$\frac{12y}{x}$$
E. $$\frac{xy}{12}$$
[Reveal] Spoiler: OA

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Last edited by MathRevolution on 28 Apr 2017, 00:34, edited 1 time in total.
Math Expert
Joined: 02 Sep 2009
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28 Apr 2017, 00:35
==> If the annual salary per person: s, you get ns=x, s=12y. If you substitue this, you get n(12y)=x, $$n=\frac{x}{12y}$$.

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