SOLUTION: linda's cell phone bill is bill is $30 per month plus 5 cents for every minute over 300 minutes. last month she paid $31 for her cell phone usage. how many minutes did she use?
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Question 269837: linda's cell phone bill is bill is $30 per month plus 5 cents for every minute over 300 minutes. last month she paid $31 for her cell phone usage. how many minutes did she use? Answer by drk(1908) (Show Source):
You can put this solution on YOUR website! The bill is
b = 31 so we get
distribute to get
combine like terms to get
subtract 15 to get
divide to get
She used 320 minutes
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