Question

Over the summer, you read 20 books. Eight of these books were biographies.

a. find the ratio of biographies to the total number of books.
b. find the ratio of non-biographies to biographies
c. find the ratio of non-biographies to the total of the number of books.

Answer 1

A.
`(2)/(5)`

B.
`(3)/(2)`

C.
`(3)/(5)`

Explanation:

A. 8:20

4: 10

2: 5 =
`(2)/(5)`

B. 12: 8

3: 2 =
`(3)/(2)`

C. 12: 20

3: 5 =
`(3)/(5)`