SOLUTION: Bob's 11-quart radiator is currently full of 30% anti-freeze. It is supposed to be 50%. How much should he drain out and replace with 100% anti-freeze to have a full radiator that

Question 1041587: Bob's 11-quart radiator is currently full of 30% anti-freeze. It is supposed to be 50%. How much should he drain out and replace with 100% anti-freeze to have a full radiator that is 50% antifreeze?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
RADIATOR DRAIN&REPLACE EXERCISE PROBLEM
Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
.
Very similar problem was solved for you in the lesson
    Word problems on mixtures for antifreeze solutions, Problem 4
in this site.

Consider it as a sample. Read it attentively.
Then solve your problem by substituting your data.

Good luck!

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