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Betty can mow a lawn in 90 minutes. Vanessa can mow the same lawn in 60 minutes. How long does it take for both Betty and Vanessa to mow the lawn if they are working together?
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Betty can mow a lawn in 90 minutes. Vanessa can mow the same lawn in 60 minutes. How long does it take for both Betty and Vanessa to mow the lawn if they are working together?

User Smek
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1 Answer

4 votes

Answer: 30 mins

Step-by-step explanation: educated guess

User Adam Preble
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