SOLUTION: fourteen cans of pet food cost 9.60 the cat cost .60 the dog cost 0.75 how many cans of each were purchased

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Question 617535: fourteen cans of pet food cost 9.60 the cat cost .60 the dog cost 0.75 how many cans of each were purchased
Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
Use pence so
60x + 75y = 960 and x + y = 14 x = 14 - y
60(14 - y) + 75y = 960
840 - 60y + 75y = 960
15y = 120
y = 8
so x = 6
Check 8x75 + 6x60 = 600 + 360 = 960