Bunuel wrote:
Mr. Jones drove from Town A to Town B in x hours. On the return trip over the same route, his average speed was twice as fast. Which of the following expresses the total number of driving hours for the round trip?
(A) (2/3)x
(B) (3/2)x
(C) (5/3)x
(D) 2x
(E) 3x
We are given that his driving time from Town A to Town B is x hours, and on his return trip, his average speed was twice as fast. Because of that, his driving time for his return trip from Town B to Town A will require half as much time,
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