Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. Two friends decide to meet in Chicago to attend a Cubs baseball game. Rob travels  in the same time that Carl travels  Rob's trip uses more interstate highways and he can average  more than Carl. What is Rob's average speed?

A. 63 mph
B. 52 mph
C. 57 mph
D. 51 mph


Answer: C

Mathematics

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