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it takes 140 minutes to wash 40 windows in an office building.how many minutes does it take to wash each window
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it takes 140 minutes to wash 40 windows in an office building.how many minutes does it take to wash each window

User Planben
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It takes 3.5 or 3 and a half hours 3:30 minutes
User Sathnindu Kottage
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it will take 3 hours and 30 minutes to wash 40 Windows in the time frame of 140 minutes.
Answer=3:30
User Ulilicht
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