Number of batches of jam that Jim can make is 6
Explanation:
Step 1:
Find the remaining quarts of berries left with Jim after saving for eating.
Total quarts of berries = 16
Number of quarts saved to eat = 2 1/2 = 5/2
Remaining quarts = 16 - 5/2 = 32-5/2 = 27/2
Step 2:
Find the number of batches that can be prepared.
Number of quarts required to make a batch of jam = 2 1/4 = 9/4
Quarts that can be used for making jam = 27/2
Number of batches that can be made = Quarts that can be used/Required quarts
⇒ Number of batches = 27/2 ÷ 9/4
= 27/2 × 4/9 (∵ a ÷ b = a × 1/b)
= 3 × 2 = 6