John
My calculator said it, I believe it, that settles it
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website! The sum of two numbers is one hundred twenty. Their difference is forty. What are the numbers
let x= one of the numbers
y=other number
x+y=120
x-y=40
y=x-40
y=x-40x-40=40
add
2x=160
x=80
one of the numbers=80
other number=40 Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
The sum of two numbers is one hundred twenty. Their difference is forty. What are the numbers?
40 and 80
35 and 85
50 and 70
30 and 90
All pairs sum to 120, but ONLY 1 differs by 40. That's your answer!