Question

Pls answer it fast. It's urgent

The digit in the tens place of a two digit number is twice the digit in the ones place. If the digits are interchanged then the difference between the two numbers is 18. What is the digit in unit's place and what is the original number.

Answer 1

Let the tens place digit be a. Unit place digit = 2a+1. No. = 10(a ) ... If order is reversed new number is 36 more. Sum of digits = 10 (x) + 1 ...

Answer 2

Answer:

Let the tens place digit be a. Unit place digit = 2a+1. No. = 10(a ) ... If order is reversed new number is 36 more. Sum of digits = 10 (x) + 1 .....

Using it solve it furtherr