Green Grapes == 4
Red Grapes == 4
Green total = $8
Red total = $12
Total Cash = $20
Total Pounds = 8
That's one solution
Another would be this \/\/\/
Green Grapes == 0
Red Grapes == 4
Green Grapes = $0
Red Grapes = $12
Total Money = $12
Total Pounds = 4
Sounds a little simple...?