In my opinion I think that you have to multiply 13.55 by 8 ounces to find how much she needs to pay.
Theoretical Probability is what you think the result will be, and experimental probability is what it turns out to be, hope this helps.
The answer would be 20 over 1 bevause if you do 20 ×1 you get 20. So the would be 20 over 1.
We have a ratio of 3 hours / 7.5 miles
We want to know how many miles he can walk in 1 hour so, divide both sides by 3 -> 1 hour / 2.5 miles
He is walking at 2.5 mph
