Question

If there are two number with sum 90 and one number is 75 then find the other number.

Answer 1

Given that one number is 75.

Let the other number be x.

Given that the sum of two number is 90.

x + 75 = 90

x = 90 - 75

x = 15.

verification:

15 + 75 = 90.

Therefore the other number is 15.


Hope this helps!

Answer 2

Let the first number is x
Given second number is 75
According to question
x+75=90
x=15