Four friends bought books at a bookstore. The person who got the best deal has the lowest ratio of cost to number of books purchased. Book Purchases Name Total Cost Number of Books Jo $9 4 Kei $12 8 Kate $30 16 Bryn $8 4

Kei got the best deal.

Explanation:

The ratio of cost to number of books purchased for all of four friends will be.....

Jo ⇒  , Kei ⇒ , Kate ⇒  , Bryn ⇒

From here you have to find the common denominator in this case is 16.

As you could tell the lowest is so the lowest is Kei.

2 and 1.

step-by-step explanation:

plug in each answer. 0 doesn't work, 1 does. so does 2. 4 doesn't:

0 = 1 is not true.

2 = 2 is true.

4 = 4 is true.

8 = 16 is not true.

hope this !

45

step-by-step explanation: