School Cafeteria (Use equations to represent multistep word problems with a letter for the unknown)

The video tutorial explains how to solve a word problem involving water bottles in a school cafeteria. It starts with 7 bottles from the previous day and adds 5 cases of 12 bottles each. The unknown total, represented by b, is calculated using the equation b = 7 + 5 * 12. The video emphasizes the importance of following the order of operations, specifically evaluating multiplication before addition, to avoid common mistakes. The lesson concludes with a summary of using equations to solve multi-step word problems.

How many water bottles were remaining in the cafeteria from yesterday?

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How many additional cases of water bottles did the cafeteria receive today?

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What is the total number of water bottles in the cafeteria after receiving the new cases?

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What mistake should be avoided when calculating the total number of water bottles?

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What order of operations should be remembered when evaluating the equation for the total number of bottles?

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