How many quarts of pure antifreeze must be added to 5 quarts of a 40% antifreeze solution to obtain a 50% antifreeze solution
?
1 answer:
Answer:
2 quarts of 100% antifreeze.
Step-by-step explanation:
5 quarts/ .40 * x/ 1
.40x= 5
x=2
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Answer:
2.56 * 10^11 L
Step-by-step explanation:
1 body has 40 L
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7.065
Step-by-step explanation:
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Step-by-step explanation:
hope that helps :)
X + 2 = 2x + 1
2 - 1 = 2x - x
1 = x
x = 1
