Question

After running 10 miles, David drank 2 bottles of water. His brother was thirstier and drank 2 1/2 times as much as David. What equation can be used to find out how many bottles of water David's brother drank?

Answer 1

2 x 2 1/2= 5 so the answer is 5

Answer 2

2 * 2.5 = 5, David’s brother drank 5 bottles of water. And the number of miles they ran is insignificant to the question.