document.write( "Question 272104: Find the constant of variation k if y varies directly with x and y = 400 when x = 2000 \n" ); document.write( "
Algebra.Com's Answer #199297 by scott8148(6628)\"\" \"About 
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y = k * x\r
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\n" ); document.write( "\n" ); document.write( "400 = k * 2000\r
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\n" ); document.write( "\n" ); document.write( ".2 = k
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