SOLUTION: A certain drug is made from only two ingredients: compound A and compound B. There are 5 milliliters of compound A used for every 8 milliliters of compound B. If a chemist wants to

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: A certain drug is made from only two ingredients: compound A and compound B. There are 5 milliliters of compound A used for every 8 milliliters of compound B. If a chemist wants to      Log On


   

Question 1178474: A certain drug is made from only two ingredients: compound A and compound B. There are 5 milliliters of compound A used for every 8 milliliters of compound B. If a chemist wants to make 728 milliliters of the drug, how many milliliters of compound A are needed?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Mostly a Proportion exercise.
A%2FB=5%2F8

If A%2BB=728 then use this to make substitution for B.
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