8. A going out of business sale has the entire store marked 80% off. Which of the following is equivalent to 80%?

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Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187