Mathematics, 26.02.2020 04:12 Bloom247

Sam can mow a lawn in 40 minutes. Rocky can mow the same lawn in 120 minutes. How long does it take for both Sam and Rocky to mow the lawn if they are working together? Express your answer as a reduced fraction.

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Sam can mow a lawn in 40 minutes. Rocky can mow the same lawn in 120 minutes. How long does it take...