Algebra - Word Problems - Rates of Performing Work 3/3

Michel van Biezen
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Published on Dec 14, 2012

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Word problems are challenging, but rewarding once you learn how they're done! Let's take a look at another word problem. This series introduces the rates of performing work problems. A lot of people have trouble with these kinds of problems, but keep watching and you'll see it's not nearly as hard as you think!

Problem Text: Jim can dig a hole by himself in 12 hours. John can do it in 8 hours. Jack can do it in 6. How long will it take them if they all work together?

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