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6 December, 01:21

1. TWO numbers total 72 and have a difference of 12 Find the two numbers

The larger number is

and the smaller number is

+1
Answers (2)
  1. 6 December, 01:51
    0
    Let the two numbers be x and y.

    We know that:

    x+y=72

    x-y=12

    Sum the two equations:

    2x=84

    Divide both sides by 2:

    x=42

    Plug this value for x in one of the two equations:

    42-y=12 - --> y=42-12=30
  2. 6 December, 02:04
    0
    30 and 42 because when add to is equal to 72
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