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Home > CC4 > Chapter 11 > Lesson 11.2.5 > Problem 11-105

11-105.

Steven can look up 27 words in the dictionary in an hour. His teammate, Mary Lu, can look up 35 words per hour. Working together, how long will it take them to look up 100 words? Homework Help ✎

Together they can look up 62 words per hour. Write an equation, where x = the number of hours they are working.