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Volgvan
3 years ago
12

Chemical company makes two brands of antifreeze. The first brand is

Mathematics
1 answer:
Hatshy [7]3 years ago
6 0
We have 60% and 85% antifreeze
We need 140 gallons of 70% antifreeze
x + y = 140
.60x + .85y = .70 * 140

X = 84 gallons 60%
Y = 56 gallons 85%

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