dan ordered some books online and spent a total of $75. each book cost $6 and he paid a total of $3 for shipping. how many books did he buy. (I think b=12 im probably wrong but thats why I'm here)

Answer:
He bought 12 books.
Step-by-step explanation:
6 goes into 75 12 times. The remaining 3 was for shipping, so you were correct!