Mathematics, 01.11.2019 02:31 Shlabo

Sam can mow a lawn in 40 minutes. vanessa can mow the same lawn in 60 minutes. how long does it take for both sam and vanessa 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. vanessa can mow the same lawn in 60 minutes. how long does it take...