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MTH213 -

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A two-digit number has the property that the units digit
is 4 less than the tens digit and the tens digit is twice the
units digit. What is the number?

  • MTH213 - -

    The possible tens digits are in the first column; the possible ones digits are in the second column.

    9 - 5
    8 - 4
    7 - 3
    6 - 2
    5 - 4
    4 - 0

    Which set of digits meets the other criterion?

  • MTH213 - -

    84

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