SOLUTION: if a phone plan charges a flat rate of $20 per month plus .50c per call. Write an equation of the function.

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Question 181553:
if a phone plan charges a flat rate of $20 per month plus .50c per call.
Write an equation of the function.
Found 2 solutions by Alan3354, Mathtut:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
if a phone plan charges a flat rate of $20 per month plus .50c per call.
Write an equation of the function.
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Bill = $20 + $0.50*Calls
B = 20 + C/2 (in dollars), or
B = (2000 + 50C)/100 (in dollars), or
B = 2000 + 50C (in cents)

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
let a be the number of calls per month and let C be the cost per month
:
highlight%28C%28a%29=.5%28a%29%2B20%29