| 1. | Ms. White is the librarian at Mountain Springs Library. She has chosen one hundred eighty-three new books for the library. If the average cost per book is$10.85, approximately how much will the new books cost?
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| | 2. | Tickets to the game between the Boston Red Sox and the Detroit Tigers cost$30.45each. Sam, Mark, Joe and David are going to the game with David's dad. If they each purchase a hot dog for$3, a soda for$3.50, and a baseball hat for$11.90, how much will they spend to attend the game?
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| 3. | Alexis' father has been working at Mountain Springs Manufacturing for five years. Last week his hourly salary was raised from$10.09per hour to $12.10 per hour. If he works forty-two hours per week, how much more will he make each week?
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| | 4. | Columbus had a hard time convincing anyone to undertake the expense of financing a voyage to an unknown place. Based on the information available from other sailors and partly on his own ideas, Columbus underestimated the circumference of the Earth by twenty-four percent. The circumference of the Earth is24,901miles at the Equator. What was Columbus' estimate of the Earth's circumference? Round your answer to the nearest mile.
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| 5. | Katherine works for three hours each day after school at the library. She makes$7.22per hour. If18% of her pay is deducted for taxes, how much will her paycheck be each week?
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| | 6. | * Esta es una hoja prehecha.
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