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13 January, 16:23

The larger of two number is 12 more than smaller number. If the sum of the two numbers is 74, find the two numbers

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  1. 13 January, 16:41
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    The first number is 12 more than the second number.

    This means that if you subtract 12 from the first number, you'll get the second number. Let's have x stand for the first, larger number, and y stand for the second, smaller number.

    74 = x + y

    x = y + 12

    So 74 = y + y + 12 which simplifies to 74 = 2y + 12.

    Now all we need to do is solve the equation to find y. First, we'll subtract both sides by 12:

    74 - 12 = 62.

    2y + 12 - 12 = 2y.

    Now we have 62 = 2y. Dividing both sides by 2 gives us:

    31 = y. (y is the second, smaller number)

    Now we need to find x. Recall our previous equation which tells us that x = y + 12.

    Plug in y = 31 to get:

    x = 31 + 12

    x = 43

    Let's check to make sure this is right. 43 + 31 give us 74. 43 is 12 more than 31. So, our two numbers are 43 and 31.
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