document.write( "Question 900912: Joan Gunderson rented the same car model twice from Hertz, which rents this car model for a daily fee plus an addition charge per mile driven. Joan recalls that the car rented for 5 days and driven for 300 miles cost her $178, while the same model car rented for 4 days and driven for 500 miles cost $197. Find the daily fee and find the mileage charge. \n" ); document.write( "
Algebra.Com's Answer #546354 by richwmiller(17219)\"\" \"About 
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y=mx+b
\n" ); document.write( "b= daily fee
\n" ); document.write( "m =mileage fee
\n" ); document.write( "178=m*300+5*b,
\n" ); document.write( "197=m*500+4*b
\n" ); document.write( "daily fee = $23, mileage fee = $.21\r
\n" ); document.write( "\n" ); document.write( "check
\n" ); document.write( "178=.21*300+5*23,
\n" ); document.write( "178=63+115
\n" ); document.write( "197=.21*500+4*23
\n" ); document.write( "197=105+92
\n" ); document.write( "ok
\n" ); document.write( "
\n" );