Q: Working together, four pugs can clean their house in 45 minutes. In how many minutes will 15 pugs working together be able to clean their house?
user


A: If four pugs can clean their house in 45 minutes, one pug will take 4*45 = <<4*45=180>>180 minutes.
Since one pug working alone takes 180 minutes to clean the house, fifteen pugs working together will be able to clean their house in 180/15 = <<180/15=12>>12 minutes The answer is  12.
assistant