Time Speed Distance problem 5 by Dhaval Furia

Algebra Level pending

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

14 π 14 \pi 12 π 12 \pi 18 π 18 \pi 16 π 16 \pi

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