SOLUTION: A radiator contains 11 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mature is 50% antifreeze?

Question 1052447: A radiator contains 11 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mature is 50% antifreeze?
Answer by ikleyn(52790)   (Show Source): You can put this solution on YOUR website!
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A radiator contains 11 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced
with pure antifreeze so that the new mature is 50% antifreeze?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

See the lesson
    - Word problems on mixtures for antifreeze solutions, Problem 4
in this site.

It is exactly a prototype/analogue/sample to your problem.

Read it attentively. Then substitute your data to get the solution.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lesson is the part of this textbook in the section "Word problems" under the topic "Mixture problems".

The textbook contains many other solved word problems, as well as many other interesting and useful things.

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