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# Maria works 4 days per week and earns d dollars per day. Which of the

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Manager
Joined: 13 Aug 2015
Posts: 210
GMAT 1: 710 Q49 V38
GPA: 3.82
WE: Corporate Finance (Retail Banking)
Maria works 4 days per week and earns d dollars per day. Which of the [#permalink]

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13 Aug 2017, 16:31
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Maria works 4 days per week and earns d dollars per day. Which of the following represents the amount Maria earns at this job in w weeks?
(A) 4dw
(B) w/4d
(C) 4d/w
(D) 3w/d
(E) dw/4
[Reveal] Spoiler: OA

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Maria works 4 days per week and earns d dollars per day. Which of the [#permalink]

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13 Aug 2017, 16:51
mkrishnabdrr wrote:
Maria works 4 days per week and earns d dollars per day. Which of the following represents the amount Maria earns at this job in w weeks?
(A) 4dw
(B) w/4d
(C) 4d/w
(D) 3w/d
(E) dw/4

4 days * $$\frac{d- dollars}{day}$$ * w (weeks) = 4dw

OR, pick numbers and use answer choices.

d = 1 dollar
w = 2 weeks

4 days a week * $$\frac{}{day}$$ = $4 a week. In 2 weeks, she earns$8.

Use d = 1, w = 2, and check answer choices until the answer yields \$8. Here that is

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Maria works 4 days per week and earns d dollars per day. Which of the   [#permalink] 13 Aug 2017, 16:51
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