Mathematics, 06.11.2020 17:50 mem8163

Betty can mow a lawn in 30 minutes. Bullwinkle can mow the same lawn in 90 minutes. How long does it take for both Betty and Bullwinkle to mow the lawn if they are working together? Express your answer as a reduced fraction.

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Betty can mow a lawn in 30 minutes. Bullwinkle can mow the same lawn in 90 minutes. How long does it...

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