Respuesta :

zoubuo

Answer:

a) $2.75 b) $13.75

Step-by-step explanation:

since 8.25 is the total cost of 3 books, inorder to find the cost of 1 book, divide 8.25/3

that equals = $2.75  

then we need to find the cost of 5 books, so multiply the cost of 1 book by 5

so 2.75*5 = $13.75