Answer:
2 [tex]\frac{1}{4}[/tex] quarts
Step-by-step explanation:
1 batch of fruit punch = [tex]\frac{1}{4}[/tex] quart grape juice [tex]\frac{1}{2}[/tex] quart apple juice
To find how much grape juice he needed for 9 batches, multiply
[tex]\frac{1}{4}[/tex] x 9
[tex]\frac{1}{4}[/tex] x [tex]\frac{9}{1}[/tex] = [tex]\frac{9}{4}[/tex] = 2 [tex]\frac{1}{4}[/tex] quarts grape juice for 9 batches