Mrs. Williams’ son, Sam, has a private business sharpening and waxing skis. He charges $4 for the equipment he has to rent make his repairs. He also.

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Presentation transcript:

Mrs. Williams’ son, Sam, has a private business sharpening and waxing skis. He charges $4 for the equipment he has to rent make his repairs. He also charges $2.00 per hour for his time. How much will he charge for a 1 hour repair job? How much for 2 hours? 3 hours? Use at least 3 different strategies.

What about a repair job that takes: 2 ½ hours ? 3 ¼ hours?

Sam charged Jamie $14 for a ski repair job of 3 hours. Is this correct Sam charged Jamie $14 for a ski repair job of 3 hours. Is this correct? Is there an error? If so where is it? If there is an error, figure the correct price.

What if he made $13 for a repair job. How many hours did he work What if he made $13 for a repair job. How many hours did he work? How can we use our different strategies to figure this out?

Sam’s private business sharpening and waxing skis is going well, but now he charges a LOT more! He charges $15 for the equipment he has to rent for his repairs. He also charges $12.00 per hour for his time. How much will he charge for a 1 hour repair job? How much for 2 hours? 3 hours? Use at least 3 different strategies.

What if he made $63 for a repair job. How many hours did he work What if he made $63 for a repair job. How many hours did he work? What different strategies can you use to figure this out?

Sam charged Jamie $96 for a ski repair job of 8 hours. Is this correct Sam charged Jamie $96 for a ski repair job of 8 hours. Is this correct? Is there an error and if so where is it? If there is an error, figure the correct price.

Sam charged Jamie $78 for a ski repair job of 3 hours. Is this correct Sam charged Jamie $78 for a ski repair job of 3 hours. Is this correct? Is there an error and if so where is it? If there is an error, figure the correct price.

Sam calculated the repair bill for Allison like this: Y = 12x + 15 Y = 12(5) + 15 Y = 72 +15 Y = 87 Allison disagreed with him. Who is correct and why?