document.write( "Question 702100: the scale of the map is 2 cm to 21 km what is the actual size of 12.5
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Algebra.Com's Answer #432779 by sofiyac(983)\"\" \"About 
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cm-----km
\n" ); document.write( "2------21
\n" ); document.write( "12.5---x\r
\n" ); document.write( "\n" ); document.write( "multiply across\r
\n" ); document.write( "\n" ); document.write( "2x=21*12.5\r
\n" ); document.write( "\n" ); document.write( "2x=262.5 divide both sides by 2
\n" ); document.write( "x=131.25 km
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