document.write( "Question 1093146: Four different colored flags can be hung in a row to make coded signal. How many signals can be made if a signal consists of the display of one or more flags? \n" ); document.write( "

Algebra.Com's Answer #707758 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "4            signals if to use 1 flag only,    plus\r\n" );
document.write( "\r\n" );
document.write( "4*3     = 12 signals if to use 2 flags only,   plus\r\n" );
document.write( "\r\n" );
document.write( "4*3*2   = 24 signals if to use 3 flags only,   plus\r\n" );
document.write( "\r\n" );
document.write( "4*3*2*1 = 24 signals if to use all 4 flags.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "In all, 4 + 12 + 24 + 24 = 64 signals.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Answer.  64 signals.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );