Homework Help: algebra

Posted by luis barreto on Wednesday, January 16, 2013 at 12:25pm.

Parking in a student cost $3 for the first half hour and $1.50 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $9?

algebra - Ms. Sue, Wednesday, January 16, 2013 at 12:40pm
9 - 3 = 6

6/1.5 = 4

4 + 1/2 = 4 1/2 hours

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