Respuesta :

konstantinspringate

Answer:

4 Books for $10

Step-by-step explanation:

5 books for $12 would come to a total of $60, a high price.

However, 4 books for $10 comes to a total of $40, a lower price.

The price difference is $20.

Hope this helps :p

billgkgk

Answer: 5 for $12

Step-by-step explanation:

To get the cost per unit, divide the price by the number of items.

12/5 = 2.40 That is less than

10/4 = 2.50 per item.