Answer :
Answer: 36
Step-by-step explanation:
Let the unit's digit is 2x, so the tens' digit is x.
So x+2x=9
x=3
SO the number is 36
Answer: 36
Step-by-step explanation:
Let the unit's digit is 2x, so the tens' digit is x.
So x+2x=9
x=3
SO the number is 36