'A number consists of two digits such that the digit in the tens place is less by 2 than the

"A number consists of two digits such that the
digit in the tens place is less by 2 than the digit in the units place.
Three times the number added to `6/7`
times the number obtained by reversing the digits
equal 108. The sum of the digits in the number is
a. 6
b. 7 c. 8 d. 9"

place