Question

In A two digit number, the digit of ten's place is three times of the digit of unit place. The difference the original number and the number with interchanges digits is 54.find the original number

Answer 1

Answer:

Step-by-step explanation:

step 1: let units place bex

step 2: let tens place be 3x

step3 : hence number is 10(3x) + x = 31x

step 4: reverse the number

Step 5: units place = 3x

Step 6:tens place = x

Step 7:Number is 10(x) + 3x = 13x

step 8: 31x - 13x = 54

          =18x = 54

x=54/8