# SOLUTION: Rowland can mow his yard in 21 minutes, It takes Don 28 minutes to mow the same lawn. How long should it take both of them,working together, to mow the yard?

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Travel -> SOLUTION: Rowland can mow his yard in 21 minutes, It takes Don 28 minutes to mow the same lawn. How long should it take both of them,working together, to mow the yard?      Log On

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

 Click here to see ALL problems on Travel Word Problems Question 265615: Rowland can mow his yard in 21 minutes, It takes Don 28 minutes to mow the same lawn. How long should it take both of them,working together, to mow the yard?Answer by solver91311(16877)   (Show Source): You can put this solution on YOUR website! If A can do a job in x time periods, then A can do of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do of the job in 1 time period. So, working together, they can do of the job in 1 time period. Therefore, they can do the whole job in: time periods. John