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Horse Barn (Part 1) (Use estimation to solve multi-step word problems involving multiplication and division.)

MacDonald wants to buy grain to feed his 4 horses. He went to the shop where they sell grain in bags of 6 pounds each. A horse needs at least 8 pounds of grain. He wasn’t sure how many bags he should buy….but he estimated that he will need 5 bags. Can you help him decide if his estimate is true?