document.write( "Question 990616: Acme Car rental agency charges $4 a day plus $0.15 per mile. Interstate rental agency charges $20 a day and $0.05 per mile. For how many miles of driving in a day will the costs for the two rentals be the same? \n" ); document.write( "
Algebra.Com's Answer #610766 by macston(5194)\"\" \"About 
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\n" ); document.write( "m=number of miles
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\n" ); document.write( "$4+$0.15m=$20+$0.05m
\n" ); document.write( "$0.10m=$16
\n" ); document.write( "m=160\r
\n" ); document.write( "\n" ); document.write( "ANSWER: The two rentals cost the same at 160 miles per day.
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