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# 7/(1/5) + 5/(1/7) =

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Math Expert
Joined: 02 Sep 2009
Posts: 55231

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16 Sep 2018, 22:31
00:00

Difficulty:

5% (low)

Question Stats:

97% (00:22) correct 3% (00:39) wrong based on 44 sessions

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$$\frac{7}{\frac{1}{5}} + \frac{5}{\frac{1}{7}} =$$

A. 35/74

B. 74/35

C. 35

D. 70

E. 74

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Joined: 18 Aug 2017
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Location: India
Concentration: Sustainability, Marketing
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Re: 7/(1/5) + 5/(1/7) =  [#permalink]

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16 Sep 2018, 22:34
715+517=715+517=

A. 35/74

B. 74/35

C. 35

D. 70

E. 74

option D 70
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Manager
Joined: 24 Dec 2017
Posts: 192
Location: India
Concentration: Strategy, Real Estate
Schools: Johnson '21
Re: 7/(1/5) + 5/(1/7) =  [#permalink]

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16 Sep 2018, 23:12
Q. 7/1/5 + 5/1/7

= 7/1 x 5/1 + 5/1 x 7/1
=7 x 5 + 5 x 7
=35 + 35
=70

Re: 7/(1/5) + 5/(1/7) =   [#permalink] 16 Sep 2018, 23:12
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