Question 475244
Painting the house		1 job				
Sally	3	hours				
She does	  1/ 3	job in 1	hour			
Steve	9	hours				
He does 	  1/ 9	of thejob in 1 	hour			
Together they will do 		  1/ 3	+	  1/ 9	+	
Together they will do 		  4/ 9	of the job in one hour
So they will take 		2 1/4	hours			

m.ananth@hotmail.ca