Posted by **KC** on Tuesday, March 4, 2008 at 9:45pm.

Jack usually mows his lawn in 4 hours. Marilyn can mow the same yard in 7 hours. How much time could it take for them to mow the lawn together?

- Algebra -
**Anonymous**, Sunday, December 6, 2015 at 6:30pm
2 6/11 hrs

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