# SOLUTION: Hannah can clear a lot in 5.5 hours. Damon can do the same job in 7.5 hours. How long will it take for them to clear the lot if they work together?

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Travel -> SOLUTION: Hannah can clear a lot in 5.5 hours. Damon can do the same job in 7.5 hours. How long will it take for them to clear the lot if they work together?       Log On

 Ad: Over 600 Algebra Word Problems at edhelper.com Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Word Problems: Travel and Distance Solvers Lessons Answers archive Quiz In Depth

 Question 595771: Hannah can clear a lot in 5.5 hours. Damon can do the same job in 7.5 hours. How long will it take for them to clear the lot if they work together? Found 2 solutions by scott8148, jerryguo41:Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!they each do a FRACTION of the task based on their individual rates; the fractions sum to one, the WHOLE task (x / 5.5) + (x / 7.5) = 1 Answer by jerryguo41(162)   (Show Source): You can put this solution on YOUR website!rH=5.5 rD=7.5 x= number of hours ex. = Find Common Denominator } or x=3.17 hours or 3hours and 10min