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# Bob and Jack share an apartment. If each month Bob pays a dollars and

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Math Expert
Joined: 02 Sep 2009
Posts: 55266
Bob and Jack share an apartment. If each month Bob pays a dollars and  [#permalink]

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25 Nov 2018, 23:57
00:00

Difficulty:

35% (medium)

Question Stats:

56% (00:59) correct 44% (00:32) wrong based on 21 sessions

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Bob and Jack share an apartment. If each month Bob pays $$a$$ dollars and Jack pays $$b$$ dollars, what percent of the total cost does Bob pay?

A. a/b%

B. b/a%

C. a/(a + b)%

D. 100*a/b%

E. 100*a/(a + b)%

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Joined: 18 Aug 2017
Posts: 3519
Location: India
Concentration: Sustainability, Marketing
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WE: Marketing (Energy and Utilities)
Bob and Jack share an apartment. If each month Bob pays a dollars and  [#permalink]

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26 Nov 2018, 21:35
Bunuel wrote:
Bob and Jack share an apartment. If each month Bob pays $$a$$ dollars and Jack pays $$b$$ dollars, what percent of the total cost does Bob pay?

A. a/b%

B. b/a%

C. a/(a + b)%

D. 100*a/b%

E. 100*a/(a + b)%

a/(a+b) * 100 = option E will give percent share of bob
option e
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Bob and Jack share an apartment. If each month Bob pays a dollars and   [#permalink] 26 Nov 2018, 21:35
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