Question

a number consists of two digits whose sum is 9 if 45 be added to the number the digits are reversed the number is what

Answer 1

Hey !
Ur answer is 27..
process;-
let the digit at ones place = x
let the digit at tens place= y
A.T.Q
x+y =9
10y +x+y+45=10x+y
x-y = 5
x=7 ndy =2
so number is 72 nd by reversed u will get 27..

#riShu;-)

Answer 2

Answer:

Step-by-step explanation: