SOLUTION: a grocer mixes cookies worth 80 cents a kg with cookies worth 95 cents a kg making a mixture selling at 85 cents a kg. if he mixes 60 kilograms, how many kilograms of each kind doe

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Question 445053: a grocer mixes cookies worth 80 cents a kg with cookies worth 95 cents a kg making a mixture selling at 85 cents a kg. if he mixes 60 kilograms, how many kilograms of each kind does he use?
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
.80*x+.95*y=.85*60
x+y=60
x=40 y=20
check
.8*40+.95*20=.85*60