Please help!! I have no idea how to do this

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

What number gives you a irrational number when added to 2/5