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Math Help - equation set up

  1. #1
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    equation set up

    The product of 2 numbers is 800. The difference is 7.
    what are the two numberss?


    annndddddd.

    The sum of 3 numbers is 47. the second number is 5 time bigger than the smallestt.the third number is 5 times larger than the second number.
    what are the three numbersss?
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  2. #2
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    Quote Originally Posted by Buttnessa View Post
    The product of 2 numbers is 800. The difference is 7.
    what are the two numberss?

    ?
    xy = 880
    x-y=7
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  3. #3
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Buttnessa View Post
    The sum of 3 numbers is 47. the second number is 5 time bigger than the smallestt.the third number is 5 times larger than the second number.
    what are the three numbersss?
    Let the smallest number be x, so the median number is 5x, and the largest number is 5(5x) = 25x

    there sum is 47, so we have:

    x + 5x + 25x = 47

    now continue
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