No, Aileen's mom is incorrect. Aileen can read 30 pages in the same time period as her friend reads 20 pages.
To get this answer, you multiply 20 by 1.5
20 x 1.5 = 30
3/4 root 10
you make a right triangle. use Pythagorean theorem. and find the opposite side. then reduce the radical of 160. and do tan and then flip them around to make cot.
