A public storage company charges new customers an initial fee of $10.50. Each month of storage costs $13.50. Write and solve an equation to see how many months a customer could rent storage space for $78.00.

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