document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=310001>Question 310001</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jermaine took a bus trip to visit his grandmother. His round trip travel time was 2 1/2 hours If the bus averaged 45 miles per hour going to his grandmother’s house and 30 miles per hour on the return trip, how many miles from his grandmother’s house does Jermaine live?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #221773 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=221773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> His round trip travel time was 2 1/2 hours.<BR>\n" );
document.write( " If the bus averaged 45 miles per hour going to his grandmother’s house and 30<BR>\n" );
document.write( " miles per hour on the return trip,<BR>\n" );
document.write( " how many miles from his grandmother’s house does Jermaine live?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Let d = distance from grandma's house<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write a time equation; time = dist/speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( "\"to trip\" + return trip = 2.5 hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F45 ALIGN=MIDDLE  ALT=\"d%2F45\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F30 ALIGN=MIDDLE  ALT=\"d%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2.5<BR>\n" );
document.write( "multiply equation by 90 to get rid of the denominators, results<BR>\n" );
document.write( "2d + 3d = 2.5(90)<BR>\n" );
document.write( "5d = 225<BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=225%2F5 ALIGN=MIDDLE  ALT=\"225%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = 45 mi to grandma's <BR>\n" );
document.write( ":<BR>\n" );
document.write( ";<BR>\n" );
document.write( "Check solution by finding the times<BR>\n" );
document.write( "45/45 = 1.0<BR>\n" );
document.write( "45/30 = 1.5<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "total: 2.5  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );