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A man earns N dollars a month and spends S dollars a month on rent. If

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A man earns N dollars a month and spends S dollars a month on rent. If  [#permalink]

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New post 24 Dec 2018, 11:29
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C
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Difficulty:

  15% (low)

Question Stats:

85% (01:19) correct 15% (01:24) wrong based on 40 sessions

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A man earns N dollars a month and spends S dollars a month on rent. If he then spends \(\frac{3}{8}\)of the remainder on food, how much, in dollars, is left over for other expenses, in terms of N and S?

A. \(\frac{3}{8}\) (N - S)

B. \(\frac{3}{8}\) (N + S)

C. \(\frac{5}{8}\) (N - S)

D. \(\frac{5}{8}\) (N + S)

E. \(\frac{8}{3}\) (N - S)

Source: Kaplan GMAT Math Workbook - Sixth Edition
Page# 306

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Re: A man earns N dollars a month and spends S dollars a month on rent. If  [#permalink]

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New post 24 Dec 2018, 11:36
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SajjadAhmad wrote:
A man earns N dollars a month and spends S dollars a month on rent. If he then spends \(\frac{3}{8}\)of the remainder on food, how much, in dollars, is left over for other expenses, in terms of N and S?

A. \(\frac{3}{8}\) (N - S)

B. \(\frac{3}{8}\) (N + S)

C. \(\frac{5}{8}\) (N - S)

D. \(\frac{5}{8}\) (N + S)

E. \(\frac{8}{3}\) (N - S)

Source: Kaplan GMAT Math Workbook - Sixth Edition
Page# 306



In=N
Rent=S
Remain=N-S
Food=3/8 of remaining=3/8 of (N-S)
Now Remain=N-S-(3/8)N-S =N-S(1-3/8)....\(\frac{5}{8}\) (N - S)

Ans:C
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Re: A man earns N dollars a month and spends S dollars a month on rent. If &nbs [#permalink] 24 Dec 2018, 11:36
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A man earns N dollars a month and spends S dollars a month on rent. If

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