SOLUTION: Find x if the average of 20, 20, 19, 13, and x is 16.
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Question 881566: Find x if the average of 20, 20, 19, 13, and x is 16.
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
20+20+19+13+x = 16*5 (five numbers)
72+x = 80
Subtract 72 from each side
x = 8
.
Prove it.
20+20+19+13+8=80
80/5 = 16
Success!
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