cierrastinson10 cierrastinson10

12-05-2017
Mathematics

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Find x if the average of 20,20,19,13 and x is 16

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TotesAdorbs12 TotesAdorbs12

12-05-2017

16 times the quantity of numbers, in this case 5, which = 80, then subtract each number, 80-20-20-19-13=8. X should = 8

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PRACHIRAI123 PRACHIRAI123

12-05-2017

A/Q
(20+20+19+13+x) ÷ 5 = 16
72+x =16×5
72+x = 80
x = 80 - 72
x = 8

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