Write a problem based on the given information.
b = price of a book
0.065b = tax
2(b + 0.065b) = 42.49
a.The sales tax at a bookstore is 6.5%. How many books did the customer buy if she spent $42.49?
b.The sales tax at a bookstore is 6.5%. If a customer buys two of each book, how many different books can she buy with $42.49?
c.The cost of two books is 42.49. What is the sales tax if the cost of one book is 0.065?
d.The tax of a book is 0.065b whenever you buy two or more books. How many books can you buy for $42.49?

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ok thx, what do you think? i know it's not c

Lets start with what do you think it is then? and why?

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