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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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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?
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
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?
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
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?
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