Write an algebraic expression for each situation or problem 1. You bought x CD’s online and y CD’s from a store how many total CDs did you buy? 2. You want to evenly divide 15 tickets between p people. How many tickets will each person receive?

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