February 19, 2017

Homework Help: Algebra

Posted by Laura on Saturday, October 18, 2008 at 11:43am.

Word Problem:
Jack mows the lawn in 4 hours, mary mows the lawn in 5 hours. how long will it take them if they mowed the lawn together?

I have a hard time figuring out which formula to use to solve a problem in a word problem can anyone help and tell me how to set up the problem so I can do the math?

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