Apply Polya’s Strategy to solve the following problem An investor bought 20 shares of stock for a total cost of $1200 and then sold all the shares for $1400. A few months later, the investor bought 35 shares of the same stock for a total cost of $1800 and then sold all the shares for $1900. How much money did the investor earn on these investments?

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Q: Thelma is a real estate agent negotiating the sale of a property with a listed price of $180,000.…

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Q: Demonstrate the four steps shown in class to solve. a. After a 30% reduction, you purchase a…

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Q: John invested his inheritance of $12,000 in three different funds: part in a money-market fund…

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Q: A medical insurance policy requires Ana to pay the first $100 of her hospital expense. The insurance…

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Q: Helen has an annual salary of $45,000. She works 40 hours a week, 50 weeks a year. How much does…

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Q: 9. Traveling: You are planning a trip of 615 miles (round trip), and you know that your car gets an…

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Q: You have $500 in the bank, and you spend $2.75 on a New York Subway ride. Billionaire and former New…

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Q: An investment of $315.000 was made by a business club. The investment earned 8 percent interest, the…

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Q: Use Polya's four-step problem-solving strategy to solve each of the following problems. The bacteria…

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Q: 1) Jim and Sarah have decided to save money for their summer vacation. Jim decides that he will…

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Q: A total of 24 students are in Mathy's class. The number of girls in the class is 3 more than twice…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.