Question

The digit in the tens place of a two-digit number is three times that in the units place. If the digits
are reversed. the new number heill be 36 less than the original number. Find the original number​

Answer 1

Answer:

x=3y

10x+y-(10y+x) =36

9x-9y=36

9(x-y) =36

x-y=36

x-x/3=36

3x-x=108

2x=108

x=54

y=54/3

y=18