A certain drug is made from only two ingredients: compound A and compound B. There are 8 milliliters of compound A used for every 5 milliliters of compound B. If a chemist wants to make 1222 milliliters of the drug, how many milliliters of compound A are needed?

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Mathematics

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1 December, 18:34

A certain drug is made from only two ingredients: compound A and compound B. There are 8 milliliters of compound A used for every 5 milliliters of compound B. If a chemist wants to make 1222 milliliters of the drug, how many milliliters of compound A are needed?

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Azul Patrick · Answer 1

3:2 ration of A to B

so out of the 5 total parts (3+2=5),

3/5 are chem a

2/5 are chem b

note this adds up to 5/5 or 100% of the final product

so 3/5*460 = parts of soltuion that is chem A