Question

The sum of a two-digit number and the
number obtained by interchanging the digits
is 143. If the digit at the units place is 3 more
than the digit at the tens place, find the
priginal number.​

Answer 1

Answer:

xy be the number

(10x+y)+(10y+x)=143 》x+y=13

also from given

y-x=3

solving the above 2 equations we will get y=8

and x=5

original number=58

Answer 2

Answer:

143*3=429. is the and

hope it helps you