Sophia has read 75 pages in a 250-page book. What percent of the book has Sophia read?

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Denise made a total of 80 outbound calls on her shift at work today. Of those 80 calls, 55% ended with prospective customers rejecting the call, 15% ended with Denise leaving a voicemail message,...

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A fruit punch that contains 25% fruit juice is combined with 100% fruit juice. How many ounces of each should be used to make 48 oz of a mixture that is 75% fruit juice

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If 6 workers can clear 3300 acres of brush in 1 hour, how many acres could 8 workers clear in 2 hours?

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Alpine's street sweeper cleans downtown in 60 hrs. A newer model cleans in 20 hrs. Together, how long to sweep the streets?

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5b 2a + 2b 3a 1a + 3b

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I need help setting this up

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There are 16 juniors and 8 seniors in the Chess Club. How many different ways are there to select a group of 4 students to attend the state championships?

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an investment of $1500 earned $35.20 at a simple-interest rate of 5.5% per year. How long was the investment held?

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Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280-lb mixture that is 12% protein? How many pounds of the cornmeal should be...

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a) down 1 unit and to the left 2 units b) up 1 unit and to the left 2 units c) down 1 unit and to the right 2 units d) up 2 units and to the right 1 unit

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solving applications of two eqquations

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Cell phone company A charges .25 a minute. Cell phone company B charges a $20 monthly fee and .05 a minute. At what number of minutes, will it cost the same at both companies?

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How many pounds of 24% jasmine is used to make 10 pounds of tea that is 20.4%

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Two factory plants are making TV panels. Yesterday, Plant A produced 4 times as many panels as Plant B. Four percent of the panels from Plant A and 2% of the panels from Plant B were defective. How...

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Tricky Question: Find an equation that models the path of a satellite if its path is a hyperbola, a= 55,000 km, and c= 81,000 km. Assume that the center of the hyperbola is the origin...

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Flying against the wind, an airplane travels 4200 km in 7 hours. Flying with the wind, the same plane travels 4000 km in 4 hours. What is the rate of the plane in still air and what is the rate of...

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The cost of tuition at a certain college varies directly as the number of credit hours taken. For the academic year 2005-2006, the cost of 18 credit hours was $1638. What did 16 credit hours cost...

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Suppose that you received an unexpected inheritance of $19,250. You have decided to invest the money by placing some of the money in stocks and some in bonds. To diversify, you decided that 3 times...

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The perimeter of a rectangular floor is 120 feet. Find the dimensions of the floor if the length is twice the width