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Mathematics 8 Online
OpenStudy (anonymous):

Checking homework. Jack usually mows his lawn in 4 hours. Marilyn can mow the same yard in 6 hours. How much time would it take for them to now the lawn together? I got 2.4 hours?

OpenStudy (radar):

You got it right, provided they have two lawnmowers.

OpenStudy (anonymous):

thanks

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