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

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

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New post 13 Aug 2017, 17:31
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A
B
C
D
E

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Question Stats:

95% (00:34) correct 5% (01:24) wrong based on 60 sessions

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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

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

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New post 13 Aug 2017, 17:51
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

Answer A
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Maria works 4 days per week and earns d dollars per day. Which of the   [#permalink] 13 Aug 2017, 17:51
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Maria works 4 days per week and earns d dollars per day. Which of the

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