the tens digits of a two-digit number in two more than the one digit . The number is thirty more than four times the sum of the digits. what is the number?

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- December 23rd 2007, 08:26 PMik_kmnumber problem
the tens digits of a two-digit number in two more than the one digit . The number is thirty more than four times the sum of the digits. what is the number?

- December 23rd 2007, 08:42 PMJhevon
Let be the tens digit

Let be the ones digit

since the tens digit is two more than the ones digit, we have:

...................(1)

since the number is thirty more than four times the sum of the digits, we have:

...................(2)

thus you need to solve the system of simultaneous equations:

...............................(1)

...........(2) - December 23rd 2007, 08:58 PMik_kmthnx
thnx jhevon