If 4a = 7b = 21c, what is the value of b?

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by BTGmoderatorDC » Wed Feb 10, 2021 5:11 pm

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If 4a = 7b = 21c, what is the value of b?

(1) a = 7/4

(2) c = 1/3

OA D

Source: Princeton Review

Source: Beat The GMAT — Data Sufficiency | Wed Feb 10, 2021 5:11 pm

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