# Solutions

How much 60% solution and how much 35% solution is needed to create 100 l of 40% solution?

Result

60% =  20 l
35% =  80 l

#### Solution:

a+b = 100
a*(60/100)+b*(35/100)=100*(40/100)

a+b = 100
60a+35b = 4000

a = 20
b = 80

Calculated by our linear equations calculator.

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