SOLUTION: Rebecca can sweep the driveway in 30 minutes. Owen can sweep the driveway in 40 minutes. If Owen works for 8 minutes before Rebecca begins to help, how long do they work together t

SOLUTION: Rebecca can sweep the driveway in 30 minutes. Owen can sweep the driveway in 40 minutes. If Owen works for 8 minutes before Rebecca begins to help, how long do they work together t

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Question 1003411: Rebecca can sweep the driveway in 30 minutes. Owen can sweep the driveway in 40 minutes. If Owen works for 8 minutes before Rebecca begins to help, how long do they work together to complete two driveways?
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
Rebecca,
Owen,
Unit is .

Let time t be while Rebecca helps to finish with Owen.
---------The equal to 2 is for the requested, "two driveways". Solve for t.
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