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4 December, 02:42

The sum of two numbers is 25. One of he numbers exceeds the other by 9. Find the numbers

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Answers (2)
  1. 4 December, 02:55
    0
    X + y = 25

    x is the smaller number.

    y is the smaller number plus 9 (x + 9).

    x + (x + 9) = 25

    2x + 9 = 25

    2x = 16

    x = 8

    8 + y = 25

    y = 17

    The numbers are 8 and 17.
  2. 4 December, 03:02
    0
    X and y are the numbers

    sum is 25 so

    x+y=25

    x is bigger than y by 9

    x=y+9

    subsitue y+9 for x

    x+y=25

    y+9+y=25

    2y+9=25

    minus 9 both sides

    2y=16

    divide by 2

    y=8

    sub back

    x=y+9

    x=8+9

    x=17

    the numbers are 8 and 17
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