document.write( "Question 751059: If y varies inversely as x, and y=14 when x=5, find y when x=8.
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Algebra.Com's Answer #456972 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! y varies inversely as x \n" ); document.write( "y = k/x \n" ); document.write( "14 = k/5 \n" ); document.write( "Cross multiply \n" ); document.write( "So k = 5*14 = 70\r \n" ); document.write( "\n" ); document.write( "Formula: y = 70/x\r \n" ); document.write( "\n" ); document.write( " y = 70/8\r \n" ); document.write( "\n" ); document.write( " y = 8.75 ( 2 decimal places)\r \n" ); document.write( "\n" ); document.write( "Hope this helps \n" ); document.write( ":-) \n" ); document.write( " |