document.write( "Question 1208344: Hi
\n" ); document.write( "Alan Ben and Caleb shared some marbles. Alan took 40% of the marbles and was given 1 more . Ben took 25% of the remaining and was given 3 more. Caleb took the remaining 12 marbles. How many were there at first.
\n" ); document.write( "

Algebra.Com's Answer #846706 by josgarithmetic(39616)\"\" \"About 
You can put this solution on YOUR website!
This was not checked carefully yet, and this much done quickly:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Remain after Allan took: \"0.6m-1\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Remains after Ben took: \"0.6m-1-0.25%280.6m%2B2%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Caleb took all the remaining 12.\r
\n" ); document.write( "\n" ); document.write( "\"0.6m-1-0.25%280.6m%2B2%29=12\"
\n" ); document.write( "Solve for m.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"m=30\"
\n" ); document.write( "wrong: based on grouping symbols mistake in steps (not shown)
\n" ); document.write( "
\n" );