Colin rides his bike 10 and a half miles every morning and 12 and 1/4 miles every afternoon on monday he wrote his usual distance in the morning but in the afternoon he rode one and a half fewer miles how many miles did colin ride on monday

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your