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math

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The difference between the ages of two friends is 2 years. The sum of their ages is 74 years. Find the age of the older friend.

  • math - ,

    Here's a clue:

    74/2 = 37

  • math - ,

    x+y=74
    x-y=2 (the y's cancel so...)
    2x=76
    x= 38
    the older friend is 38, the other one is 36

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