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math

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i am a 9-digit number. I have 5 in my hundred thousands place. The digit in my thousands place is 3 more than the digit in my hundred thousands place. The digit in my ten millions place is the sum of the digits in my hundred millions and hundred thousands places. The rest of the digits are zeroes. what number am i?

  • math - ,

    From the information...
    X (X+5) 0 5 0 8 0 0 0

    So X could be either 1,2,3, or 4

    e.g. let x=1
    160 508 000 , satifies your description
    ..
    ..
    let x=4
    490 508 000 , satisfies your description

    so there are 4 such numbers, you find the other two.

  • math - ,

    5,128,000

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