Question 14 a certain drug is made from only two ingredients: compound a and compound

b. there are 3 milliliters of compound a used for every 4 milliliters of compound

b. if a chemist wants to make 497 milliliters of the drug, how many milliliters of compound b are needed?

Question

Mathematics

Lydia Osborne

10 May, 05:43

Question 14 a certain drug is made from only two ingredients: compound a and compound

b. there are 3 milliliters of compound a used for every 4 milliliters of compound

b. if a chemist wants to make 497 milliliters of the drug, how many milliliters of compound b are needed?

+1

Answers (1)

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Amy · Answer 1

A drug is made from a compound A and a compound B:

A : B = 3 : 4

A = 3 k

B = 4 k

3 k + 4 k = 7 k

7 k = 497 ml

k = 497 ml : 7 = 71 ml

B = 4 * 71 ml

B = 284 ml.

Answer: 284 ml of compound B are needed.

Question 14 a certain drug is made from only two ingredients: compound a and compoundb. there are 3 milliliters of compound a used for every 4 milliliters of compoundb. if a chemist wants to make 497 milliliters of the drug, how many milliliters of compound b are needed?

Question 14 a certain drug is made from only two ingredients: compound a and compound

b. there are 3 milliliters of compound a used for every 4 milliliters of compound

b. if a chemist wants to make 497 milliliters of the drug, how many milliliters of compound b are needed?