Pure orange juice is added to a container with five gallons of 30% orange juice concentrate to make a 50%
concentrate. How many gallons of the 50% concentrate will be produced? Please explain

Question

Pure orange juice is added to a container with five gallons of 30% orange juice concentrate to make a 50% 
       concentrate.  How many gallons of the 50% concentrate will be produced?  Please explain

anonymous · Answer

Your container consists of 1.5 gallons of juice and 3.5 gallons of water at the start (30% concentration). You have to add 2 gallons of juice so you get 3.5 gallons of juice and water, making it 50% concentration.

anonymous · Answer

Oh, then the total is of course 7 gallons.

anonymous · Answer

Thanks