Hard SAT Math Question 93 — Video Explanation | 1600.now

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Which equation correctly gives

a

in terms of

b

,

c

, and

d

?

\frac{67}{a} = \frac{67}{b} + \frac{67}{c} + \frac{67}{d}

A

a = \frac{b + c + d}{ab c}

B

\frac{b c d}{c d + b d + b c}

C

\frac{c d + b d + b c}{b c d}

D

\frac{ab c}{b + c + d}