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Mathematics 21 Online
OpenStudy (anonymous):

Margaret is certain that every time she parks in a municipal garage it costs her at least $2.05. If the garage charges 30cents plus 25 cents for each half hour, how long is Margaret's car parked?

OpenStudy (saifoo.khan):

\[2.05 = 0.25x+0.30\]

OpenStudy (saifoo.khan):

x = 7. so 7 hrs.

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