Question

the sum of the digit of a 2-digit is12.the number is 6times the unit digit.find the number​

Answer 1

Step-by-step explanation:

let the unit digit be x.

and tens digit be y

The required number, 10y+x

x+y=12, then y=12-x

A.T.Q,

10y+x= 6x

10(12-x)+x= 6x

120-10x +x= 6x

120= 6x+9x

120= 15x

x= 8

y= 12-x

=12-8

=4

The required number was

10y+x= 10×4+8

=48

Hence the required number will be. 48.

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