Acertain drug is made from only two ingredients: compound a and compound b. there are 3 milliliters of compound a used for every 5 milliliters of compound b. if a chemist wants to make 680 milliliters of the drug, how many milliliters of compound a are needed?

255 milliliters.

Step-by-step explanation:

The fraction of Compound A in the mixture = 3 / (3+ 5) = 3/8.

So the amount of A to make 680 mls of the drug

= (3/8) * 680

=  255 milliliters.

answer: the equation matches the regression

step-by-step explanation:

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