Question

Greg is running a marathon. While running, he should drink 21 ounces of water per hour. If he runs for 3 hours, how much water should he drink?

Answer 1

Answer:

63 ounces

Step-by-step explanation:

21x3=63

Answer 2

The question asked “per hour” and it also says he should drink ___ amount of water per hour. The question gives you the time and amount that you need to multiply. So the answer is 63 because you multiplied the time by how much he drinks (3x21=63)