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The mean weight of four members of the wrestling team is 160 pounds. If three of them have weights of 125, 183, and 169 pounds, what does the fourth wrestler weigh?

A. 159 pounds
B. 160 pounds
C. 163 pounds
D. 166 pounds

Answer :

Answer:

The mean weight of four members of the wrestling team is 160 pounds.

Three of them have weights of 125, 183, and 169 pounds, the remaining one has weight a.

=> (a + 125 + 183 + 169)/4 = 160

=> a = 160 x 4 - 125 -183 - 169 = 163

=> Option C (163 pounds) is correct.

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Rewritten by : Barada

Answer:

163

Step-by-step explanation:

Sum = mean × n

125 + 183 + 169 + X = 160 × 4

477 + X = 640

X = 640 - 477

X = 163