document.write( "Question 339630: The Gibson family drove a total of 540 miles in two days. On Tuesday they drove twice as many miles. How many miles did they drive on Monday? \n" ); document.write( "
Algebra.Com's Answer #243302 by nyc_function(2741)\"\" \"About 
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Let x = miles on Monday\r
\n" ); document.write( "\n" ); document.write( "Let 2x = miles on Tuesday\r
\n" ); document.write( "\n" ); document.write( "x + 2x = 540\r
\n" ); document.write( "\n" ); document.write( "3x = 540\r
\n" ); document.write( "\n" ); document.write( "x = 540/3\r
\n" ); document.write( "\n" ); document.write( "x = 180\r
\n" ); document.write( "\n" ); document.write( "The Gibson family drove 180 miles on Monday.\r
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