lesson8outline - The red car left at 3:00 p.m.,traveling at...

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MA 153 Lesson 8 Outline Answering of homework questions over lesson 7. Lesson 8 Section 2.2 Applications Example: Kathy invested $50,000 into two different accounts. One account earns 7% simple interest and the other pays 5% simple interest. How much is invested in each account if the total interest for one year was $3250?
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Example: (Mixing chemicals) A chemist is to prepare 90 liters of a 42% brine solution. He only has a 30% brine solution and a 57% brine solution available. How much of each type of solution should be used to end up with 90 liters of a 42% solution?
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Example: Two cars leave Denver from the same point traveling in opposite directions.
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Unformatted text preview: The red car left at 3:00 p.m.,traveling at a rate of 79 km/h. The blue car left at 3:45 p.m., traveling at a rate of 96 km/h. At what time will be they 663 km apart? Example: A boat traveled downstream in a river in 5 hours and back against the current to the starting point in 7 hours. If the speed of the boat in still water was 12 mph, find the speed of the current and the total distance traveled. Page 70 #4. A couple does not wish to spend more than $70 for dinner at a restaurant. If a sales tax of 6% is added to the bill and they plan to tip 15% after the tax has been added, what is the most they can spend for the meal?...
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lesson8outline - The red car left at 3:00 p.m.,traveling at...

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