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24 March, 10:36

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

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Answers (2)
  1. 24 March, 11:26
    0
    A/Q

    (20+20+19+13+x) : 5 = 16

    72+x = 16*5

    72+x = 80

    x = 80 - 72

    x = 8
  2. 24 March, 12:12
    0
    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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