SOLUTION: A phone company charges $30 per month for 500 minutes. For every minute after the 500, you have to pay an additional fee of $.10 per minute. If you use 632 minutes, what would your
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Question 943262: A phone company charges $30 per month for 500 minutes. For every minute after the 500, you have to pay an additional fee of $.10 per minute. If you use 632 minutes, what would your total bill be? Show the equation and your steps to how you obtained your solution.
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = number of minutes
y = total bill (dollars)
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y = 0.10(x - 500) + 30
y = 0.10x - 0.10*500 + 30
y = 0.10x + (30 - 0.10*500)
y = 0.10x - 20
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y = 0.10*632 - 20
y = $43.20
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