First, we have to calculate how much time it takes Laine to read one page.
240 / 200 = 6 / 5 (six fifths of a minute)
Then, we need to find out how much time it takes her to read 25 pages.
25 * 6 / 5 = 150 / 5 = 30 minutes
A: It will take Laine 30 minutes to read 25 pages at the same rate.