Intermediate Algebra

Suppose a college bookstore buys a textbook from a publishing company and then marks up the price they paid for the book 33% and sells it to a student at the marked-up price. If the student pays \$75.00 for the textbook, what did the bookstore pay for it? Round your answer to the nearest cent.

1. 0
2. 3
1. 1.33x = 75

x = ?

posted by Ms. Sue
2. the marked-up price (m), is 33% more than the publisher's price (p)

m = p + .33 p ... 75 = 1.33 p

posted by Scott
3. Solve the given equation. (Round your answers to two decimal places.)
(a)
ln(x) = 4.2 + ln(7.2)

posted by sylvia

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