Originally Posted by HeSmellsLikeSmoke
Batch one makes 3 cups. A 2 to 1 ratio means that you need 1 1/2 cups of Batch 2; however, Batch 2 only makes 1 1/4 cups. If you multiply each ingredient of Batch B by 20%, or 1.2, you get the required 1 1/2 cups to make it a 2 to 1 mixture of A to B.
How is this wrong?
I'm sorry, you're absolutely right. I blame lack of sleep.