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Systems of Linear Equations A Practical Approach to Problem Solving

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What if… Two trains run on parallel tracks. The first tra9in leaves a city ½ hour before the second train. The first train travels a 55 m/h. The second train travels at 65 m/h. How long does it take for the second train to pass the first train?

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…but I dont ride trains… Suppose you and a friend are going to the beach, but you leave an hour after your friend does. You are also driving 15m/h faster than your friend. How long will it take you to catch up with her?

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Ok…traveling- what else? You want a new cell phone plan. One company charges $30 for the line and then $0.25 a minute. The other company charges $45 for the line and $0.15 a minute. How many minutes do you have to talk for the two total prices to be equal?4

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Problem Solving Systems of Linear Equations help you solve the previous three problems and many, many more!

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Photo Credits http://www.freefoto.com/images/25/11/25_11 _10---German-Trains_web.jpg http://www.freefoto.com/images/25/11/25_11 _10---German-Trains_web.jpg http://www.6th- sense.co.uk/images/on_the_beach.jpg http://www.6th- sense.co.uk/images/on_the_beach.jpg http://www.bvlearn.net/julius_talking_on_pho ne_1.jpg http://www.bvlearn.net/julius_talking_on_pho ne_1.jpg http://www.patentmonkey.com/PM/Portals/0/ ThinkingMonkey.jpg http://www.patentmonkey.com/PM/Portals/0/ ThinkingMonkey.jpg

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