SOLUTION: A certain drug is made from only two ingredients: compound A and Compound B. There are 4 Ml of compound A used for every 7ml of compound B. If a chemist wants to make 1034 ml of t

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Question 1199576: A certain drug is made from only two ingredients: compound A and Compound B. There are 4 Ml of compound A used for every 7ml of compound B. If a chemist wants to make 1034 ml of the drug, how many ml of compound B are needed.
Found 2 solutions by math_tutor2020, josgarithmetic:
Answer by math_tutor2020(3817)   (Show Source): You can put this solution on YOUR website!

This drug uses 4 mL of compound A for every 7 mL of compound B.

We arrive at the ratio 4:7
It scales up to 4x:7x for some positive real number x.

This means we have 4x mL of compound A combined with 7x mL of compound B to get 1034 mL total mixture.

A+B = total
4x+7x = 1034
11x = 1034
x = 1034/11
x = 94

Then,
4x = 4*94 = 376
7x = 7*94 = 658
represents the amounts of compound A and compound B respectively.

Answer: 658 mL
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
INGRED           RECIPE        PRODUCTION
-----------------------------------------------
compoundA          4                1034-b
compoundB          7                  b
TOTAL                              1034

b, assigned variable for the question
Recall the given ratio.


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