MTH 65 Quiz Ch 9

# MTH 65 Quiz Ch 9 - You plan to buy the calculators for \$10...

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Name _________________ Date __________________ MTH 65 – T. Lingo Chapter 9 Quiz Follow the directions for each problem. Good luck! Solve. Express the solution in interval notation. 1. 2. 5(x + 4) – 17 > 3 + 10(3 + x) Write a linear inequality and solve. 3. You decide to start a “business” selling used calculators. You spend \$30 to place an ad that will run for a month in the local newspaper.
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Unformatted text preview: You plan to buy the calculators for \$10 each and sell them for \$16 each. How many calculators must be bought and sold each month in order for you to make money? Solve each compound inequality. Express the solution in interval notation. 4. 2x > 5x – 15 and 7x 2x + 10 5. 3x + 2 5 or 5x – 7 > 8...
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