SPEED TIME PAGES WHOLE BOOK r t 55 SOME OF BOOK r 4 p-330 Reading rate, r, would be unchanged. WHOLE BOOK(rate only) 55 t 55 SOME OF BOOK 55 4 p-330
a. How long is the book? 4 hours * 55+ 330 pages = 220 pages + 330 pages = 550 pages. b. How long did it take naoya to read the book? = 10 hours.