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11 November, 06:53

The sum of two Consecutive integers is at least 36. What is the least possible pair of integers?

A 16 and 17

B 19 and 20

C 17 and 18

D 18 and 19

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Answers (2)
  1. 11 November, 06:58
    0
    D 18 and 19

    Step-by-step explanation:

    x = 1st integer

    x+1 = next consecutive integer

    x + (x+1) >=36

    combine like terms

    2x+1 > = 36

    subtract 1

    2x >=35

    divide by 2

    x > = 17.5

    x must be 18

    x+1 = 19
  2. 11 November, 07:10
    0
    16 + 17 = 33

    19 + 20 = 39

    17 + 18 = 35

    18 + 19 = 37

    A and C are less than 36 so they can't be the correct ones.

    37 is closer to 36 than 39 is.

    The lease possible set is D. 18 and 19
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