document.write( "Question 1196377: How much sand must be added to 250 lb of a cement mixture that is 22% to have a mixture that is 25% sand? \n" ); document.write( "
Algebra.Com's Answer #829169 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
How much sand to add, x;\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28x%2B0.22%2A250%29%2F%28x%2B250%29=0.25\"\r
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( "!
\n" ); document.write( "
\n" );