Aprinter in the computer lab prints 56 pages in four minutes. an industrial copier the school main office prints 250 pages in 30 secs. in five minutes how many pages could be printed if both machines are working .

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