SOLUTION: An internet café charges $5.00 for the first 15 minutes of use of the internet and $2.00 for each additional 15 minutes (or part of 15 minutes). How much is owed to the café if a

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Question 916600: An internet café charges $5.00 for the first 15 minutes of use of the internet and $2.00 for each additional 15 minutes (or part of 15 minutes).
How much is owed to the café if a person used 47 minutes?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
C+=+%245+%2B+%242%28%28u-15%29%2F15%29
C = $5 + $2(47-15)/15
C = $5 + $2(32/15)
C = $5 + $2(2 + 2/15)
$2.00 for each additional 15 minutes (or part of 15 minutes).
C = $5 + $2(3) = $11