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An athlete runs R miles in H hours, then rides a bike Q miles in the same number of hours. Which of the following represents the average speed, in miles per hour, for these two activities combined?
A. (R-Q)/H
B. (R-Q)/2H
C. [2(R+Q)]/H
D. [2(R+Q)]/2H
E. (R+Q)/2H
OA E
An athlete runs R miles in H hours, then rides a bike Q miles in the same number of hours. Which of the following represents the average speed, in miles per hour, for these two activities combined?
A. (R-Q)/H
B. (R-Q)/2H
C. [2(R+Q)]/H
D. [2(R+Q)]/2H
E. (R+Q)/2H
OA E
