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Solving Real-world Problems Involving Systems of Equations

Solving Real-world Problems Involving Systems of Equations. Type 1: Number problems. Example: Leonard works twice as many hours at his job as Sheldon, and together they work a total of 42 hours a week. How many does each work?.

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Solving Real-world Problems Involving Systems of Equations

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  1. Solving Real-world Problems Involving Systems of Equations

  2. Type 1: Number problems • Example: Leonard works twice as many hours at his job as Sheldon, and together they work a total of 42 hours a week. How many does each work?

  3. Example: Leonard works twice as many hours at his job as Sheldon, and together they work a total of 42 hours a week. How many does each work? • ...continued

  4. Type 2: Money Problems • Ex. Phineas and Ferb are selling toy rockets for $14 each and jet propelled frisbees for $11 each. If their total profits are $746, and they sell 58 items, how many of each did they sell?

  5. Ex. Phineas and Ferb are selling toy rockets for $14 each and jet propelled frisbees for $11 each. If their total profits are $746, and they sell 58 items, how many of each did they sell? • ...continued

  6. Type 3: Flat Rate Problems • Fred and Barney operate computer repair services. For a service call, Fred charges $40 and Barney charges $50. In addition, they each charge hourly rates of $35/h and $30/h respectively. One day their charges for two service calls were the same. What did they charge, and how long did each person work?

  7. Fred and Barney operate computer repair services. For a service call, Fred charges $40 and Barney charges $50. In addition, they each charge hourly rates of $35/h and $30/h respectively. One day their charges for two service calls were the same. What did they charge, and how long did each person work? • ...continued

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