You have to divide the total about of cups by the serving size:
4 1/2 divided by 1/2 and you get the answer.
4 1/2 converted into an improper fraction is 9/2.
9/2 divided by 1/2 = 9
You first convert the 2 minutes and 30 seconds to 150 seconds.
Then, you take the 150s÷5m to get the number of seconds per mile.
The answer is 30s/m
