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Find x if the average of 20,20,19,13 and x is 16. A. 9 B. 8 C. 10 D. 6
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5 votes
Find x if the average of 20,20,19,13 and x is 16.

A. 9


B. 8


C. 10


D. 6

User Leandro Toloza
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1 Answer

6 votes
AVERAGE = (20+20+19+13+ X) / 5= 16

(72+X)/5 = 16 ===> 72+X = 80 ===> X = 80-72 ==> X = 8
User SKSK
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