SOLUTION: I need help on this problem, cant seem to get the right answer. Here's the question, "The airport garage charges $7 to park for the first hour and then $2.50 an hour for any additi

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Question 656916: I need help on this problem, cant seem to get the right answer. Here's the question, "The airport garage charges $7 to park for the first hour and then $2.50 an hour for any additional hours. Ben paid $49.50 to park there one day when he flew to another city. How many hours was he parked at the airport?"
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +h+ = total hours parked at the airport
given:
+49.5+=+7+%2B+2.5%2A%28+h+-+1+%29+
+49.5+=+7+%2B+2.5h+-+2.5+
+2.5h+=+49.5+-+7+%2B+2.5+
+2.5h+=+45+
+h+=+18+
18 = total hours parked at the airport