Jojo this bar model to find the unknown number of balls find the unknown number 106balls 250 balls

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?

Which shows the pre image of triangle xyz

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?