One batch of ice cream recipe uses 9 cups of milk. A chef makes a different amounts of ice cream on different days. Here are the amounts of milk she used:
. Monday: 12 cups .Thursday: 6 cups
.Tuesday: 22 1/2 cups . Friday: 7 1/2 cups
1. How many batches of ice cream did she make on these days? For each day , Write a division equation, draw a tape diagram, and find the answer.