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Two snow resorts offers private lessons to their customers. Big Time Ski Mountain charges $5 per hour plus $50 insurance. Powder Hills charges $30 per hour plus $10 insurance. For what number of hours is the cost of lessons the same for each resort?

 Dec 13, 2017
 #1
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We need to solve this :

 

5h  +  50  =  30h   +  10         subtract 10, 5h from both sides

 

40  =  25h                             divide both sides by  25

 

40 / 25  =  h    =    8/5 hrs  =  1.6 hrs  equalizes the cost

 

 

cool cool cool

 Dec 13, 2017

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