Question

An odd two-digit number ,difference of whose digits is 8 and sum of the digits is 10,is

Answer 1

Answer:

91

let the first digit be x and second be y. x-y=

Step-by-step explanation:

let the first digit be x and second be y.

given: x-y=8 & x+y =10.

from first equation, x=y+8

substitute in second eq

2y+8=10 hence y=1

subs y=1 in second equation

you'll get x =9