Henry is an avid reader. He devours 90 pages in half-an-hour. How many pages has Henry read per minute?

Answer 1

To find the number of pages Henry has read per minute, divide the number of pages he read in half-an-hour (90 pages) by the number of minutes in half-an-hour (30 minutes): 90 pages / 30 minutes = <<90/30=3>>3 pages/minute. Answer: \boxed{3}.