Arthur D. answered 10/23/14
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There are 250 people and each person receives 72 grams of carrots.
250*72=18,000 grams are needed
one pound equals 453.592 grams
1.5 pounds=1.5*453.592=680.388 grams
18,000/680.388≈26.455 bags and since you can't buy part of a bag you need 27 bags altogether