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16 Oct 2017, 01:25
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Difficulty:

15% (low)

Question Stats:

91% (00:47) correct 9% (00:54) wrong based on 46 sessions

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Box seats for a ball game cost $b each and general admission seats cost$g each. If 10,000 seats are sold, and x of the seats are box seats, which expression gives the fraction of money made on seat sales that came from box seats?

A. $$\frac{bx}{bx+(10,000-x)g}$$

B. $$1+(10,000-x)g$$

C. $$\frac{bx}{10,000}$$

D. $$\frac{b}{b+g}$$

E. $$\frac{x}{10,000}$$
[Reveal] Spoiler: OA

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17 Oct 2017, 11:56
Bunuel wrote:
Box seats for a ball game cost $b each and general admission seats cost$g each. If 10,000 seats are sold, and x of the seats are box seats, which expression gives the fraction of money made on seat sales that came from box seats?

A. $$\frac{bx}{bx+(10,000-x)g}$$

B. $$1+(10,000-x)g$$

C. $$\frac{bx}{10,000}$$

D. $$\frac{b}{b+g}$$

E. $$\frac{x}{10,000}$$

If x seats are box seats, then (10,000 - x) seats are general admissions seats.

Thus, the money made on box seats was bx, and the total money made on all 10,000 seats was bx + g(10,000 - x).

Thus, the fraction of the money made on seat sales that came from box seats was:

bx/[bx + g(10,000 - x)]

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22 Oct 2017, 13:51
I am pretty sure I got this problem wrong. Part of my issues on the GMAT is that I rush to answer these questions and often don't read the question correctly.
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I'd love to hear any feedback or ways to improve my problem solving. I make a lot of silly mistakes. If you've had luck improving on stupid mistakes, I'd love to hear how you did it.

Also, I appreciate any kudos.