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WARRIOR [948]
3 years ago
13

A cars radiator should contain a solution of 50% antifreeze. Bae has 2 gallons of 35% antifreeze. How many gallons of 100% antif

reeze should he add to his solution to produce a solution of 50% antifreeze
Mathematics
1 answer:
kakasveta [241]3 years ago
7 0
X= 240
-----
Equation:
anti + anti = anti
0.60x + 0.20*80 = 0.50(x+80)
-----
Multiply thru by 100 to get:
60x + 20*80 = 50x + 50*80
-----
10x = 30*80
x = 3*80
x = 240
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