Question

Find two numbers such that one them exceeds the other by 9 and their sum is 81

Answer 1

let the no be = x

now second no. be = x+9

a.t.q

x+9+x=81

x = 36

now first no. be = 36

and second no. will be = 36+9

                                      =45

Answer 2

hi...
here is ur answer:

let 1st no. be x
2nd be y

x-y=9 ...(1)
x+y=81 ...(2)

by equation 1&2

x=45
y=36

so numbers are 45 & 36