Problema Solution
One judge can judge 180 dogs in 20 min.
Another judge does 180 dogs in 45 min.
How long would it take them if they work together.
Round answer to nearest hundredth.
Answer provided by our tutors
SO FIRST JUDGE IN ONE MINUTE= 180/20=9
ANOTHER JUDEGE IN ON MINUTE= 180/45=4
SO TOGHTER BOTH IN ONE MINUTE=9+4=13
SO TIME TAKEN=180/13=13.9 OR 14 MINS