document.write( "Question 229439: Mack's Parking Garage charges $4.00 for the first hour and $2.50 for each additonal hour. For how long has a car been parked when the charge exceeds $16.50? \n" ); document.write( "
Algebra.Com's Answer #170104 by checkley77(12844)\"\" \"About 
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4+2.50X>16.50
\n" ); document.write( "2.50X>>16.50-4
\n" ); document.write( "2.50X>12.50
\n" ); document.write( "X>12.50/2.50
\n" ); document.write( "X>5 HOURS.
\n" ); document.write( "1 HOUR @ %4.00 + 5 HOURS @ $2.50=16.50
\n" ); document.write( "PROOF:
\n" ); document.write( "LET THE HOURS @ 2.50 BE 5.1 HOURS.
\n" ); document.write( "4+2.50*5.1>16.50
\n" ); document.write( "4+12.75>16.50
\n" ); document.write( "16.75>16.50
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