document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=634233>Question 634233</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At 11 o'clock this morning, mel's parking lot was full. Mel noticed that the ratio of cars to trucks was 5:2. By 1 o'clock in the afternoon, 10 trucks had left the lot and 10 more cars had parked in the lot. The ratio of cars to trucks was then 6:1. How many vehicles are Parked in mel's parking lot when the lot is full? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #399545 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=399545\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At 11 o'clock this morning, mel's parking lot was full.<BR>\n" );
document.write( " Mel noticed that the ratio of cars to trucks was 5:2.<BR>\n" );
document.write( " By 1 o'clock in the afternoon, 10 trucks had left the lot and 10 more cars<BR>\n" );
document.write( " had parked in the lot.<BR>\n" );
document.write( " The ratio of cars to trucks was then 6:1.<BR>\n" );
document.write( " How many vehicles are Parked in mel's parking lot when the lot is full?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Let x = the multiplier<BR>\n" );
document.write( "then when the parking lot was full:<BR>\n" );
document.write( "5x = no. of cars<BR>\n" );
document.write( "2x = no. of trucks<BR>\n" );
document.write( ":<BR>\n" );
document.write( "\" By 1 o'clock in the afternoon, 10 trucks had left the lot and 10 more cars<BR>\n" );
document.write( " had parked in the lot. The ratio of cars to trucks was then 6:1. \"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285x%2B10%29%2F%282x-10%29 ALIGN=MIDDLE  ALT=\"%285x%2B10%29%2F%282x-10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2F1 ALIGN=MIDDLE  ALT=\"6%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply to find x<BR>\n" );
document.write( "5x + 10 = 6(2x-10)<BR>\n" );
document.write( "5x + 10 = 12x - 60<BR>\n" );
document.write( "10 + 60 = 12x - 5x<BR>\n" );
document.write( "70 = 7x<BR>\n" );
document.write( "x = 10<BR>\n" );
document.write( "therefore originally there were:<BR>\n" );
document.write( "5(10) = 50 cars<BR>\n" );
document.write( "2(10) = 20 trucks<BR>\n" );
document.write( "(when the parking lot was full)\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );