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A scientist needs 80 liters of a 30% solution of alcohol. She has a 20% solution and a 60% solution available. How many liters of the 20% solution and how many liters of the 60% solution should she mix
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A scientist needs 80 liters of a 30% solution of alcohol. She has a 20% solution and a 60% solution available. How many liters of the 20% solution and how many liters of the 60% solution should she mix to make the 30% solution?

User Ivan Chepurnyi
by
5.5k points

2 Answers

3 votes

Answer: 20% solution = 60l and 60% = 20l

Explanation: the other answer has the steps but not there answer ://

User Cremons
by
6.0k points
1 vote
80 times .30= .20x +.60(80-x)
24=.20x+48-.60x
Subtract 48 from both sides
-24=-.40x
Divide both sides by-.40
X= 60
60 liters of 20%
User Saumyaraj
by
5.4k points
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