document.write( "Question 152800: a car rental company charges $21 per day and 10 cents per mile. if a car was rented for 2 days, how far was it driven if the total came to $220.00? \n" ); document.write( "
Algebra.Com's Answer #112624 by checkley77(12844)\"\" \"About 
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2*21+.10x=220
\n" ); document.write( "42+.10x=220
\n" ); document.write( ".10x=220-42
\n" ); document.write( ".10x=178
\n" ); document.write( "x=178/.10
\n" ); document.write( "x=1,780 miles were driven.
\n" ); document.write( "proof:
\n" ); document.write( "2*21+.1*1,780=220
\n" ); document.write( "42+178=220
\n" ); document.write( "220=220
\n" ); document.write( "
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