Question

A stack of books is 35 inches high. If each book is 1 3/4 inches thick, how many books are in the stack?

Answer 1

20 books

Explanation:

Height of stack = 35 inches

Thickness of one book
`=1(3)/(4) =(7)/(4)\: in`

No. of books

`= 35 / (7)/(4) \\ \\ = 35 * (4)/(7) \\ \\ = 5 * 4 \\ \\ = 20`