document.write( "Question 1171773: how many map sheet of size 1x1m require to plot a 20x20 km city using scales of 1/500, 1/1000, 1/10000 \n" ); document.write( "
Algebra.Com's Answer #796685 by ikleyn(52787)\"\" \"About 
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document.write( "When the scale is 1:1000, you need 20 x 20 = 400 square sheets to cover the map.\r\n" );
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document.write( "With the scale 1:500, you need 4 times as many square sheets, i.e. 4*400 = 1600.\r\n" );
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document.write( "With the scale 1:10000, you need  \"%281%2F100%29%2A400\" = 4 square sheets.\r\n" );
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