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26 June, 02:30

The sum of 5 consecutive integers is 120. What is the third number in this sequence?

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Answers (2)
  1. 26 June, 05:30
    0
    Ok so

    x - the smallest

    The other 4 are : x+1, x+2, x+3, x+4

    We know that sum is 120

    So

    x+x+1+x+2+x+3+x+4=120

    Combine like terms

    5x+10=120

    Subtract 10 on both sides

    5x=120-10

    5x=110

    Divide by 5 on both sides

    X=22

    The third number is x+2 = 22+2=24
  2. 26 June, 05:49
    0
    The integer is 24 so the third number is 72
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