The average of x1 x2 x3 and x4 is 16. Half the sum of x2 x3 x4 is 23. What is t

Question

The average of x1 x2 x3 and x4 is 16. Half the sum of x2 x3 x4 is 23. What is the value of x1?

Options:

A . 18

B . 19

C . 20

D . 17

Answer: Option A

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