SOLUTION: How many cubic centimeters of a solution that is 20% acid and of another solution that is 45% acid should be mixed to produce 100cm^3 of a solution that is 30% acid?

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Question 1017187: How many cubic centimeters of a solution that is 20% acid and of another solution that is 45% acid should be mixed to produce 100cm^3 of a solution that is 30% acid?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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How many cubic centimeters of a solution that is 20% acid and of another solution that is 45% acid should be mixed to produce 100cm^3 of a solution that is 30% acid?
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It is a typical mixture word problem.

See the lesson Solving typical word problems on mixtures for solutions in this site, Problem 1.

This problem is very similar to yours.

In this lesson you will find the detailed solution. 

Consider it as a sample. Read it attentively.

Then solve your problem by substituting your data.

In this way you will learn, once and for all, how to solve problems like this.