Respuesta :

The answer is that you can read 36 pages in 45 minutes. The rate is 4 pages to 5 minutes. 5 x 9 = 45. So, 4 x 9 = 36.
theres 2 20 minutes in 40 mins so thats 16 + 16 = 32 20/5 = 4 16/4 = 4 32+4= 36