Question

The sum of digits of a 2 digit number is 9 the number is 6 times the unit figit find the number

Answer 1

Answer: let x be unit place

y be 10's place

Then x+y = 9.....(1)

Given number is 6 times its unit figure ie

x+10y = 6x

10y= 5x

y = x/2

From (1) x + x/2 = 9

3x/2 = 9

3x= 18

x= 6

y = x/2 = 6/2 =3

x+ 10y = 6 + 10(3) = 36

Number is 36

Step-by-step explanation: