Wilma can mow a lawn in 60 minutes. Melissa can mow the same lawn in 30 minutes. How long does it take for both Wilma and Melissa to mow the lawn if they are working together?

Wilma can mow a lawn in 60 minutes. Melissa can mow the same lawn in 30 minutes. How long does it take for both Wilma and Melissa to mow the lawn if they are working together?

asked Jun 13, 2021 65.5k views

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