document.write( "Question 887688: the weight that can be safely supported by a 2 inch by 6 inch support beam varies inversely with its length. a builder finds that a support beam that is 8 feet long will support 900 pounds. find the weight that can be safely supported by a beam that is 18 feet long. \n" ); document.write( "
Algebra.Com's Answer #536800 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
A variation problem. p for pounds, x for length of beam.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"highlight_green%28p=k%2Fx%29\". k is a constant. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The next part of the description means x=8 and p=900. Find k using these values. Return to the inverse variation equation and use the value for k to find p when x=18.
\n" ); document.write( "
\n" );