3. Subtract.
4.
a)
1.45
1.40
b)
13.25
10.05
-
-
Pls help

30 is 6 multiplied by a number y as a equation

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?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?