12A) hi please help with this Lin algebra question

12. [-/1.33 Points] DETAILS LARLINALG8 2.5.007. MY NOTES ASK YOUR TEACHER An airline has 20 airplanes in Los Angeles, 28 airplanes in St. Louis, and 8 airplanes in Dallas. During an eight-hour period, 20% of the planes in Los Angeles fly to St. Louis and 10% fly to Dallas. Of the planes in St. Louis, 25% fly to Los Angeles and 50% fly to Dallas. Of the planes in Dallas, 12.5% fly to Los Angeles and 50% fly to St. Louis. How many planes are in each city after 8 hours? Los Angeles airplanes St. Louis airplanes Dallas airplanes