Answer:
she can make 5 batch of cookies
Explanation:
A batch of cookie requires 1\frac{1}{2}121 cups of sugar.
she has 7\frac{1}{2}721 cups of sugar.
He can make the total number of batches = 7\frac{1}{2}721 ÷ 1\frac{1}{2}121
= \frac{15}{2}215 ÷ \frac{3}{2}23
= \frac{15}{2}215 × \frac{2}{3}32
= \frac{30}{6}630
= 5 batches of cookies