The x intercept is 9
The y intercept is -3
3/3-1/3= 2/3 of the glasses
60x20=1200
1200/300=4
4x1/2=4/2=2 pounds of grass seed
So you have to subtract 115 from 15. Then you divide that number by 5 for each relative. That should give you your answer....$20
