Student or Learner
Which is correct?
45 pages is a lot to read.
45 pages are a lot to read.
Logic suggests that the second sentence is the correct one, but for some reason the first sentence sounds better to me.
Go with your ear.
When we talk about a bunch of things considered as a unit, we use the singular.
Three miles isn't too far to walk.
Three hours is too long to wait.
Forty-five pages is a lot to read in one night.