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A group of 10 coworkers has agreed to equally share the cost of a gift

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A group of 10 coworkers has agreed to equally share the cost of a gift  [#permalink]

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New post 05 Mar 2019, 04:23
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  25% (medium)

Question Stats:

73% (01:31) correct 27% (01:09) wrong based on 11 sessions

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A group of 10 coworkers has agreed to equally share the cost of a gift costing d dollars. If w of the coworkers later decide not to contribute, how much more must each of the remaining coworkers pay toward the gift?


A. \(\frac{d}{10 - w}\)

B. \(\frac{d(w - 10)}{10w}\)

C. \(\frac{dw}{10(10 - w)}\)

D. \(\frac{10-w}{d}\)

E. \(\frac{10dw}{10 -w}\)

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A group of 10 coworkers has agreed to equally share the cost of a gift  [#permalink]

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New post 05 Mar 2019, 11:26
d/10

new amount to be paid :
d/10-w

more amount to be paid d/10-w - d/10
i.e \(\frac{dw}{10(10 - w)}\)

IMO C

Bunuel wrote:
A group of 10 coworkers has agreed to equally share the cost of a gift costing d dollars. If w of the coworkers later decide not to contribute, how much more must each of the remaining coworkers pay toward the gift?


A. \(\frac{d}{10 - w}\)

B. \(\frac{d(w - 10)}{10w}\)

C. \(\frac{dw}{10(10 - w)}\)

D. \(\frac{10-w}{d}\)

E. \(\frac{10dw}{10 -w}\)

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A group of 10 coworkers has agreed to equally share the cost of a gift   [#permalink] 05 Mar 2019, 11:26
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