Solve.The amount of time it takes a swimmer to swim a race varies inversely as the average speed of the swimmer. A swimmer finishes a race in 37.5 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes 25 seconds to finish the race.
A. 8 ft/sec
B. 6 ft/sec
C. 7 ft/sec
D. 5 ft/sec
Answer: B
Mathematics
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Mathematics