SOLUTION: The Wayside Hotel charges its guests $1 plus $0.80 per minute for long distance calls. Across the street, the Blue Sky Hotel charges its guests $2 plus $0.75 per minute for long di
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-> SOLUTION: The Wayside Hotel charges its guests $1 plus $0.80 per minute for long distance calls. Across the street, the Blue Sky Hotel charges its guests $2 plus $0.75 per minute for long di
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Question 1094498: The Wayside Hotel charges its guests $1 plus $0.80 per minute for long distance calls. Across the street, the Blue Sky Hotel charges its guests $2 plus $0.75 per minute for long distance calls. Find the length of a call for which the two hotels charge the same amount. How do you solve this equation? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the amount of the bill in dollars
Let = time in minutes for long distance calls
For Wayside:
(1)
For Blue Sky:
(2)
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Make the amounts equal to eachother
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For a 20 min call, both charge the same
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Here's a plot for both:
