I believe it's really up to you. You can have 1 page but speakreally slow, or have 25-35 pages and practice using a minute to say each page. Perhaps the following isn't the most important thing, but keep in mind that if you have pictures or something to show, you might want to take that into consideration when dealing with timing too.
Its about a paragraph and a half
13
650 words in double spaced 12 point Times New Roman is just over 2.5 pages. This does not include your title or any headings so you may hit 3 pages depending on what else you have to include.
423 pages
248 pages
Just as an average, a script is usually one page per minute, so a 2 hour movie script would be about 120 pages but it can be longer or shorter depending on the writers descriptive style, or economy of language.
120 Pages
half an hour
48*2.5 = 120 pages.
Commitment Hour has 352 pages.
The Hour of the Gate has 304 pages.
The Wolf's Hour has 480 pages.
The Hour of the Dragon has 255 pages.
The Secret Hour has 297 pages.
In Evil Hour has 183 pages.
Nightmare Hour has 148 pages.
Half a Team has 231 pages.