Solve the following math problem: Linda was going to pass out homemade cookies to each of her 24 classmates on the last day of school.  She wanted to give each student 10 cookies and wanted to make chocolate chip cookies and oatmeal raisin cookies.  Each cookie recipe made exactly 4 dozen cookies.  She was able to make 2 batches of chocolate chip cookies before running out of chocolate chips.  She made 1 batch of oatmeal raisin cookies.  How many more batches of cookies does Linda need to bake?