The average (arithmetic mean) of five numbers is 3x + 4. If one of the numbers is 7x - 4, what is the average of the - The Beat The GMAT Forum

The average (arithmetic mean) of five numbers is 3x + 4. If one of the numbers is 7x - 4, what is the average of the

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by BTGmoderatorDC » Mon Feb 28, 2022 6:18 pm

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The average (arithmetic mean) of five numbers is 3x + 4. If one of the numbers is 7x - 4, what is the average of the other four numbers?

A. 1.6x + 3.2
B. 1.6x + 4.8
C. 2x + 4
D. 2x + 6
E. 4x + 8

OA D

Source: Magoosh

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Source: Beat The GMAT — Problem Solving | Mon Feb 28, 2022 6:18 pm

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