Help
Given
mZABD = 70°
mZCBD = 5x + 13°
mZABC = 3.x + 33
Find m ZABC:

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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?

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!