The reciprocal for 5 is 1/5

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?

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Which rational number could be graphed between -4 and -5