All of the used hardcover books at a yard sale are the same price. hugo paid 4.50 for 6 books. explain how to find the unit rate of the books.

You find the unit rate of the books by dividing the number of books by the that price, and for this example the answer should be $.75 per book

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.