Suppose you are driving to visit a friend in another state. You are driving 60 miles per hour. ( You must drive 480 miles total. If you have already driven 120 miles, how long will it take you to reach your destination? Use h to represent the number of hours it will take to reach your destination. Use the equation 60h + 120 = 480.​

A. 2 hours
B. 4 hours
C.6 hours
D. 12 hours