Some question: A car traveled from San Diego to San Francisco at an average speed of 54 miles per hour. If the journey back took twice as long, what was the average speed of the trip?\nOptions:\n(A) 24.\n(B) 32.\n(C) 36.\n(D) 42.\n(E) 44.
Some stream of consciousness:
User
Let the time taken be = x\nOne way distance = 54x\nTotal distance traveled = 2 * 54x = 108x\nTotal time taken = x + 2x = 3x\nAverage speed = 108x/3x = 36 The answer: (C).
Assistant