Susan marciano invested part of her 10,000 bonus in a fund that paid 10% profit and invested the rest in stocks that suffers a 3%loss find the amount of each investment if her over all net profit was 480

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