SOLUTION: Parking in a student lot costs $1 for the first half hour and $1.25 for each hour. A partial hour is charged the same as a full hour. What is the longest time that a student can pa

Question 972706: Parking in a student lot costs $1 for the first half hour and $1.25 for each hour. A partial hour is charged the same as a full hour. What is the longest time that a student can park for $10?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The 1st 1/2 hr costs $1
There is $9 left
In terms of units:
[ dollars ] / ( dollars/hr ] = [ hrs ]
hrs
Note that
dollars
The student only has $.25 left after
7 hrs, so student cannot buy any
more time
------------------
So, the student can park for a maximum of
7.5 hrs

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