document.write( "Question 887482: If y varies inversely as x, and y=18 when x=3, find when x=8 \n" ); document.write( "
Algebra.Com's Answer #536657 by DrBeeee(684)\"\" \"About 
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When y varies inversely with x we have
\n" ); document.write( "(1) y = c/x, where c is a constant.
\n" ); document.write( "When x = 3 we are given that y equals 18 or
\n" ); document.write( "(2) 18 = c/3 or
\n" ); document.write( "(3) c = 3*18 or
\n" ); document.write( "(4) c = 54, giving us the inverse equation
\n" ); document.write( "(5) y = 54/x
\n" ); document.write( "You are asked to find y when x = 8, so put x into (5) and get
\n" ); document.write( "(6) y = 54/8 or
\n" ); document.write( "(7) y = 27/4 or
\n" ); document.write( "(8) y = 6.75 or
\n" ); document.write( "(9) y = 6 3/4
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