The wheels of bicycles A and B have radii 30 cm and 40 cm, respectively. While traveling a certain distance

The wheels of bicycles A and B have radii 30 cm and 40 cm, respectively. While traveling a certain distance

The wheels of bicycles A and B have radii 30 cm and 40 cm, respectively. While traveling a certain distance, each wheel of A required 5000 more revolutions than each wheel of B. If bicycle B traveled this distance in 45 minutes, then its speed, in km per hour, was

A.      18π

B.      16π

C.      12π

D.      14π

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