Mathematics, 17.07.2019 05:30 23jazzy
Fred can mow a lawn in 60 minutes. bullwinkle can mow the same lawn in 90 minutes. how long does it take for both fred and bullwinkle to mow the lawn if they are working together?
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Fred can mow a lawn in 60 minutes. bullwinkle can mow the same lawn in 90 minutes. how long does it...
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