What two numbers add to 25 and divide to 4?
20 and 5
Let the two numbers be a , b with a > b
So
a + b = 25 ( 1)
a/b = 4 ⇒ a = 4b (2)
Sub (2) into (1)
4b + b =25
5b = 25
b = 25 / 5 = 5
And a = 4(5) = 20
