Question

a marathon runner weighs 140 pounds before running a race and weights 135 pounds after finishing the race. how much water should the runner drink to replenish fluid loss? 10 cups 5 cups 2 cups 16 cups

Explanation:

Step1: Calculate weight loss

The runner's weight before the race is 140 pounds and after is 135 pounds. So the weight loss is $140 - 135 = 5$ pounds.

Step2: Relate weight loss to water intake

It is a common guideline that for each pound of weight lost during exercise, a person should drink about 1 cup of water to replenish fluid loss. Since the weight loss is 5 pounds, the water needed is 5 cups.

Answer:

B. 5 cups