document.write( "Question 1135102: Commuter trains leaves every 20 minutes from 6 am through 9am and every 30 minutes until 9 pm. How many trains leave the station from 6 am through 4pm?\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #752651 by ikleyn(53765) $\"\"$ $\"About$

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

\r\n" );
document.write( "3*3 + 1 = 10 trains every 20 minutes from 6 am to 9 am inclusively\r\n" );
document.write( "\r\n" );
document.write( "    PLUS\r\n" );
document.write( "\r\n" );
document.write( "2*7 = 14 trains every 30 minutes from 9:30 am to 4 pm inclusively.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "10 + 14 = 24 trains, in total.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  24 commuter trains, under given conditions.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Check if you did not forget to post your \"Thanks\" to me . . . \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );