SOLUTION: a druggist has 20 grams of a 10% solution of alchohal. how many grams of a 6% alchohal solution must be added to form an 8% alchohal solution?

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Question 335305: a druggist has 20 grams of a 10% solution of alchohal. how many grams of a 6% alchohal solution must be added to form an 8% alchohal solution?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Lt X be the amount of 6% solution added,
20%2810%29%2BX%286%29=%2820%2BX%29%288%29
200%2B6X=160%2B8X
-2X=-40
X=20
.
.
.
20 grams of 6% solution is needed.