Someone help me with this if you can

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

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y