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06-02-2017
Mathematics

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Tyran takes 3/4 hour to paint a wall.his brother takes 1/3 of the time he takes. how long will his brother take to paint 5 similar walls?

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Yoyo100 Yoyo100

06-02-2017

3/4 of an hour is 45 minutes. His brother takes 1/3 of the time, 1/3 of 45 min is 15 min. 5*15=75 min or 1 + 15/60 = 1.25 hours

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