Answer:one number is 15 and the other number is 25
Step-by-step explanation:
Let x represent one of the numbers.
Let y represent the other number.
There are 2 numbers and the sum of those numbers are 40. This means that
x + y = 40 - - - - - - - -1
The difference of those numbers is 10. This means that
x - y = 10 - - - - - - - - -2
We would eliminate x by subtracting equation 2 from equation 1, it becomes
2y = 50
y = 50/2 = 25
Substituting y = 25 into equation 1, it becomes
x + 25 = 40 - 25 = 15
