math

ann wrote a three digit number. the digit inthe hendreds place is 4 less than the digit in the ones place. the digit in the tens place is two more than the digit in the ones place.the sum of the three digits is 16. what is the three digit number?

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  1. Let x = number in ones place
    Let x + 2 = number in tens place
    Let x - 4 = number in hundreds place
    add all and set equal to 16
    x + x+2 + x-4 = 16
    x + x + x = 16 -2 + 4
    3x = 18
    divide both sides by 3
    3x/3 = 18/3
    x = 6

    Answer = three digit number is 286

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  2. 519

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