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Chapter 2: Q. 2.50 (page 126)
Susana invested a principal of in her bank account that earned simple interest at an interest rate of . How much interest did she earn in three years?
Susana earned the interest =
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Chi is planning to put a diagonal path of paving stones through her flower garden as shown. The flower garden is a square with side 10 feet. What will the length of the path be? 
Matt and Chris leave their uncle's house in Phoenix at the same time. Matt drives west on I-at a speed of miles per hour. Chris drives east on I-at a speed of miles per hour. How many hours will it take them to be miles apart?
In the following exercises, use the Pythagorean theorem to find the length of the leg. Round to the nearest tenth if necessary.
Solve
In the following exercises, find (a) the amount of the mark-up and (b) the list price.
Daria bought a bracelet at the original cost of $16 to sell in her handicraft store. She marked the price up 45%. What was the list
price of the bracelet?
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