Question

The sum of the digits of a two digit number is 16. The number

obtained by interchanging the digits is less by 18 than the original

number.Find the two digit number.​

Answer 1

Answer:

let digit on tens place be x and ones place be y

x+y = 16-----------------------------(1)

10y+x = 10x +y -18

9x-9y = 18

x-y =2-------------------------(2)

Solving (1) & (2)'by elimination,

x=9, y=7

Therefore the two-digit no. is 97

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Answer 2

Step-by-step explanation:

the number is 97 , interchanging the digits is 79 it was less by 18 than the original