Question

the sum of my digits is 12. My ones digit is twice my tens digit. What number am i?

Answer 1

Step-by-step explanation:

let digit be X,y

ones digit is y

tens digit is 10x

y=2(10x)

y= 20x,,,,,,,,(1)

10X+y = 12........(2)

10X+20x=12

30x=12

X=12/30

X= 2/5

tens digit is 10x = (10*2)/5

=20/5

=4

ones digit is y = 20x

=(20*2)/5

=40/5

= 8

number is 48.

hope it helps you