SOLUTION: A telephone company offers 2 long distance plans. Plan A: $25 per month and 0.05 per minute. Plan B: $5 per month and 0.12 per minute. For how many minutes of long distance calls w
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-> SOLUTION: A telephone company offers 2 long distance plans. Plan A: $25 per month and 0.05 per minute. Plan B: $5 per month and 0.12 per minute. For how many minutes of long distance calls w
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Question 293073: A telephone company offers 2 long distance plans. Plan A: $25 per month and 0.05 per minute. Plan B: $5 per month and 0.12 per minute. For how many minutes of long distance calls would plan B be financially advantageous? Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 25+.05x>5+.12x
.05x-.12x>5-25
-.07x>-20
x>-20/-.07
x>285.7 minutes.
Total calls up to 286 minutes would make plan B a better deal.
Proof:
Let the total call minutes be 285 minutes.
25+.05*285>5+.12*285
25+14.25>5+34.2
39.25>39.2
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