Question

a number consist of two digits. the digit at the tens place is twice that of the digit at unit place. If 18 is subtracted from the number, the digit are reversed. Find the number​

Answer 1

Answer:

42

Step-by-step explanation:

let us assume that

10x+y is the two digit number...

By given data...

we can write 2 equations

by solving these two we get the number