document.write( "Question 1143432: In a class of 45, there were 4 times as many as girls. When some girls left for a meeting, there were 6 times as many boys as girls. how many girls went for the meeting? \n" ); document.write( "

Algebra.Com's Answer #764230 by ikleyn(52786) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "In a class of 45, there were 4 times as many $\"highlight%28boys%29\"$ as girls.
\n" ); document.write( "When some girls left for a meeting, there were 6 times as many boys as girls. how many girls went for the meeting?
\n" ); document.write( "~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " Pay attention om how I edited your post to make sense.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "If x is the initial number of girls, then the number of boys is  4x,  and the condition says\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    x + 4x = 45,\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "giving  5x = 45,  x = 45/5 = 9 for the initial number of girls in the class,\r\n" );
document.write( "\r\n" );
document.write( "and  45-9 = 36 for the number of boys.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Next we want to find y = how many girls went . . . \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "For it, you have this equation\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    6*(9-y) = 36,\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Solve it step by step\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    9-y = 36/6 = 6\r\n" );
document.write( "\r\n" );
document.write( "    9 - 6 = y\r\n" );
document.write( "\r\n" );
document.write( "    y = 3.      ANSWER\r\n" );
document.write( "

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

\n" );