Answer:
6
Explanation:
The trolley can handle 32 lb. Each box weighs up to 8 lb.
Each box is full to 8 lb.
32 lb/ 8 lb = 4
Each trip of the trolley can carry 4 boxes.
There are 24 boxes. Each trip can take 4 boxes.
24/4 = 6
She needs 6 trips.
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