Given Al paid $2.95 per page.
So, payment for 600 pages = 600*2.95 = $1770
Given for 90 words Al takes a minute.
So, for one word Al takes 1/90 minute.
Since that job has 225 words per page and 600 pages,
total number of words = 600*225= 135000 words.
So for 135000 words Al will take
= 25 hours
So, Al will earn $1770 for his work and takes 25 hours to complete the job.