If a cup of rice contain 0.8 mg of iron, and a cup of Lima beans contains 4.4 mg or iron what’s the question?

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?

How do i put 3(x+7) in distributive property

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)