Question 319200
let one number be x
the other number is 8.5-x
..
x(8.5-x)=18
8.5x-x^2=18
17x/2 -x^2=18
17x^2-2x^2=36
2x^2-17x+36=0
2x^2-8x-9x+36=0
2x(x-4)-9(x-4)=0
(2x-9)(x-4)=0
x=9/2 OR 4
The numbers ar 4 & 4.5