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5 April, 21:42

The sum of three consecutive numbers is twelve less than six times the lowest number. What are the three numbers?

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  1. 5 April, 21:51
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    Let one of the number be x.

    The other two numbers are x+1 and x+2.

    The sum of three consecutive numbers is twelve less than six times the lowest number.

    ⇒ x + (x+1) + (x+2) - 12 = 6x

    ⇒ x + x + 1 + x + 2 - 12 = 6x

    ⇒ 3x + 9 = 6x

    ⇒ 3x = 9

    ⇒ x = 3

    Find the numbers:

    x = 3

    x + 1 = 4

    x + 2 = 5

    Answer : The numbers are 3, 4 and 5
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