Emily mixed together 9 gal. of Brand A fruit drink and 8 gal. of Brand B fruit drink which contains 48% fruit juice. What is the percent of fruit juice in Brand A if the mixture contained 30% fruit juice?
You do this by figuring out the amounts of pure fruit juice in all.
17 gal 30% contains:
From Brand B:
8 gal 48% contains:
So the percentage of A is: