You baked 42 chocolate cupcakes and 28 red velvet cupcakes. you package them in boxes that have the same ratio of chocolate to red velvet cupcakes as the total cupcakes. how many red velvet cupcakes are in a box thar has 24 chocolate cupcakes?

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