The amount of water Carol should be drinking per hour to meet her total fluid needs is 16.67 ounces.
Division is a mathematical operations that groups a number into equal parts using another number. The sign used to denote division is ÷.
Water to be drank per hour = total water drank / hours of hike
50 / 3 = 16.67 ounces
To learn more about division, please check: https://brainly.com/question/13281206