\(\dfrac{7}{\frac15}+\dfrac{5}{\frac17}=\)

[Vincen]

\(\dfrac{7}{\frac15}+\dfrac{5}{\frac17}=\)

A. 35/74

B. 74/35

C. 35

D. 70

E. 74

[spoiler]OA=D[/spoiler]

Source: Official Guide

[Jay@ManhattanReview]

\(\dfrac{7}{\frac15}+\dfrac{5}{\frac17}=\)

A. 35/74

B. 74/35

C. 35

D. 70

E. 74

[spoiler]OA=D[/spoiler]

Source: Official Guide

\(\dfrac{7}{\frac15}+\dfrac{5}{\frac17}=\dfrac{7*5}{1} + \dfrac{5*7}{1}=35+35=70\)

The correct answer: D

Hope this helps!

-Jay
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[Scott@TargetTestPrep]

\(\dfrac{7}{\frac15}+\dfrac{5}{\frac17}=\)

A. 35/74

B. 74/35

C. 35

D. 70

E. 74

[spoiler]OA=D[/spoiler]

Source: Official Guide

Solution:

Let’s treat each fraction separately. If we multiply the first fraction by 5/5, we get 5 x 7 / 1 = 35. If we multiply the second fraction by 7/7, we get 7 x 5 / 1 = 35.

Thus, the sum is 35 + 35 = 70.

Answer: D