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pradee
2 painters paint 2 rooms in 2 hrs. How many painters will paint 18 rooms in 6 hrs
4 man hours for 2 rooms means 2 man hours per room. 18 rooms require 36 man hours. 36 man hours divided by 6 hours means 6 painters are needed. 6 painters can paint 18 rooms in 6 hours. and thats it