Arnold joined a book club. It cost $5 to join and $8.75 for each book ordered, including shipping charges. When his first order arrived he received a bill for $57.50. How many books did he order?

Respuesta :

Answer:

He bought 6 books.

Step-by-step explanation:

57.50 - 5 (cost to join) = 52.50

52.50/8.75 = 6