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2 September, 20:37

The sum of three consecutive numbers is 57. What is the largest of these numbers?

18

19

20

21

+3
Answers (1)
  1. 2 September, 22:50
    0
    X+x+1+x+2=57

    3x+3=57

    3x=54

    x = 54/3

    x = 18

    x+1 = 19

    x+2 = 20

    Therefore 20 is the largest
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