Answer: It's b
Step-by-step explanation:
You are supposed to make a claim then prove it using evidence you are already given.
Answer:
I don't realy know
Step-by-step explanation:
I think it's B
We can compare by converting Johnny's reading time into the same unit of Jacky's, hours.
There are 60 minutes in an hour, so use this:

15 < 20, so Johnny read faster. This is 5 pages faster per hour than Jacky.