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Melinda and Shirley worked together to make hamburger patties. Shirley

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Melinda and Shirley worked together to make hamburger patties. Shirley  [#permalink]

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New post 31 Oct 2018, 00:41
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

100% (02:17) correct 0% (00:00) wrong based on 9 sessions

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Melinda and Shirley worked together to make hamburger patties. Shirley worked for 1 hour and 45 minutes, Melinda worked for 45 minutes, and they split their earnings according to the amount of time each spent working. Melinda`s hourly rate, however, is twice that of Shirley`s. If the two together earned $48.75, what was Shirley`s hourly rate?

A. $15
B. $20
C. $25
D. $30
E. $35

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Re: Melinda and Shirley worked together to make hamburger patties. Shirley  [#permalink]

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New post 31 Oct 2018, 06:23
Melinda's rate = M, shirley's rate = S

M = 2S

S(1.75) + M(0.75) = 48.75
S(1.75) + 2S(0.75) = 48.75
S = 48.75/3.25 = 15

Option A
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Re: Melinda and Shirley worked together to make hamburger patties. Shirley &nbs [#permalink] 31 Oct 2018, 06:23
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Melinda and Shirley worked together to make hamburger patties. Shirley

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