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Elan Coil [88]
2 years ago
5

A scientist needs 80 liters of a 30% solution of alcohol. She has a 20% solution and a 60% solution available. How many liters o

f the 20% solution and how many liters of the 60% solution should she mix to make the 30% solution?
Mathematics
1 answer:
tresset_1 [31]2 years ago
7 0

Answer:

60 liters of 20% solution & 20 liters of 60% solution

Step-by-step explanation:

80*0.3=.2x+0.6(80-x)

24=0.2x+48-0.6x

-24=0.2x-0.6x

-24=0.4x

24=0.4x

60=x

Hope this helps!! This is step by step btw!

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