SOLUTION: I forgot how to do this please help: a drug contains 2 types of ingredients, compound A and compound B. for every 5 Milliliters of compund A there is 3 milliliters of compound B.

Question 745429: I forgot how to do this please help:
a drug contains 2 types of ingredients, compound A and compound B. for every 5 Milliliters of compund A there is 3 milliliters of compound B. the chemist wants to make 664 milliliters of the drug, how much of compound A is needed?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Volumes of compound A and B assign to x and y.
Description with those variable assignments renders and . Just solve the system for x and y.

The question asks specifically, how much of compound A, assigned to variable x. You can solve one of the equations for y and substitute this into the other equation and solve for x. That will be your solution for x.

How about this:

------------

according to the substitution for y

, milliliters of compound A
RELATED QUESTIONS
A certain drug is made from only two ingredients: compound A and compound B. There are (answered by josmiceli)

A certain drug is made from only two ingredients: compound A and compound B. There are 5... (answered by Boreal)

A certain drug is made from only two ingredients: compound A and compound B. There are 8... (answered by josgarithmetic,MathTherapy)

A certain drug is made from only two ingredients: compound A and compound B. There are 6... (answered by ikleyn)

A certain drug is made from only two ingredients: compound A and compound B. There are 5... (answered by ankor@dixie-net.com)

A certain drug is made from only two ingredients: compound A and compound B. There are 4... (answered by htmentor)

A certain drug is made from only two ingredients: compound A and compound B. There are 5... (answered by josgarithmetic)

A certain drug is made from only two ingredients: compound A and compound B. There are 5... (answered by stanbon,MathTherapy)

A certain drug is made from only two ingredients: compound A and Compound B. There are 4... (answered by math_tutor2020,josgarithmetic)