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Tyrone 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 five similar wall.



Answer :

3/4 of an hour =45minutes so  1/3 of an hour =20minutes that times 5=100minutes=1hour and 40 mins
It will take his brother 1 hour and 15 minutes to paint 5 walls