SOLUTION: In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?

Question 628576: In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = quantity of 20% solution needed ( in any units )
Let = quantity of 50% solution needed ( in the same units )
= alcohol in 20% solution
= alcohol in 50% solution
given:

------------
The ratio of 20% solution to 50% solution should
be 1:2
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