Question

The sum of the digits of two-digit number is 10 while when the digits are reversed the number decrease by 54. Find the changed number. 28 19 37

Answer 1

Answer:

Step-by-step explanation:

x + y = 10   (1)

yx = xy - 54  -->  10y + x = 10x + y - 54

--->   9x - 9y = 54   ---->   x - y = 6   (2)

(1) + (2)  --->   2x = 16   --->   x = 8

            --->   y = 2