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Chapter 2: Q. 133 (page 130)
Annual student fees at the University of California rose from about \(4,000 in 2000 to about \)12,000 in 2010. Find the percent change.
There is a 200 percent change in fee.
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A rectangular rug has perimeter 240 inches. The length is 12 inches more than twice the width. Find the length and width of the rug.
Classify the below equation as a conditional equation, an identity, or a contradiction, and then state the solution.
If an equation has several fractions, how does multiplying both sides by the LCD make it easier to solve?
In the following exercises, find (a) the amount of the mark-up and (b) the list price.
Flora paid her supplier $0.74 a stem for roses to sell at her flower shop. She added an 85% mark-up.
What price did she charge her
customers for the roses?
In the following exercises, find (a) the amount of discount and (b) the discount rate (Round to the nearest tenth of a percent if
needed.)
Hiroshi bought a lawnmower at the sale price of \(240. The original price of the lawnmower is \)300.
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