Solve.
-The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 100 seconds with an average speed of 3 feet Per second. Find the average speed of the swimmer if it takes 75 seconds to finish the race.
A) 6 feet per second
B) 4 feet per second
C) 3 feet per second
D) 5 feet per second

Question

Quizplus · Accepted Answer

The relationship is inversely proportional, so time * speed = constant. For the first scenario, 100 seconds * 3 feet/second = 300. For the second scenario, 75 seconds * speed = 300. Solving for speed gives 300/75 = 4 feet/second.

Solve. -The Amount of Time It Takes a Swimmer to Swim