document.write( "Question 252505: on a recent vacation, your uncle spent a total of $680 on airfare,hotel,and a rental car. the airfare cost twice as much as hotel, and the rental car was one-third as much as the hotel. use a linear system and Cramer's rule to find how much your uncle paid for each service \n" ); document.write( "
Algebra.Com's Answer #184471 by rfer(16322)\"\" \"About 
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af=2x=408
\n" ); document.write( "h=x=208
\n" ); document.write( "rc=1/3x=68
\n" ); document.write( "2x+x+1/3x=680
\n" ); document.write( "3 1/3x=680
\n" ); document.write( "x=680/3 1/3
\n" ); document.write( "x=680*3/10
\n" ); document.write( "x=2040/10
\n" ); document.write( "x=204
\n" ); document.write( "2x=408
\n" ); document.write( "1/3x=68
\n" ); document.write( "
\n" );