Problem: an athlete takes 10 seconds to run 100 m . what is his avg . speed in miles per hour ?
Rationale: his average speed is 10 m / s . which is 36 km / hr . but 36 km = 22.37 miles . the average speed of the athlete is 22.37 mph answer : a
annotated_formula: divide(multiply(divide(100, const_1000), const_0_6), divide(10, const_3600))