document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=142209>Question 142209</A>: <I><SPAN STYLE=\"word-break: break-all;\">  I am new to algebra and am having trouble solving the examples my friends submitted for our practice exercises.  Can you help me with these two questions.  I have tried to solve them using the d=r(t) but it doesn't work right, or I am doing it wrong.\r<BR>\n" );
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document.write( "1.  Maria bicycles 5 km/h faster than Carlos . In the same time it takes Carlos  to bicycle 30 km,  Maria can bicycle 45 km. How fast does each bicyclist travel?\r<BR>\n" );
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document.write( "2.  hat size      head circum. (to nearest 1/5 inch)   head circum to nearest cm<BR>\n" );
document.write( "     7  3/8                 23   1/5                         59<BR>\n" );
document.write( "        ???                    ?????                         58\r<BR>\n" );
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document.write( "How do I solve this one?    Please help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103606 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=103606\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Maria bicycles 5 km/h faster than Carlos . In the same time it takes Carlos to bicycle 30 km, Maria can bicycle 45 km. How fast does each bicyclist travel?<BR>\n" );
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document.write( "Let s = C's speed<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(s+5) = M's speed<BR>\n" );
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document.write( "Write a time equation: Time = dist/speed<BR>\n" );
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document.write( "C's time = M's time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fs ALIGN=MIDDLE  ALT=\"30%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2F%28%28s%2B5%29%29 ALIGN=MIDDLE  ALT=\"45%2F%28%28s%2B5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply:<BR>\n" );
document.write( "45s = 30(s+5)<BR>\n" );
document.write( "45s = 30s + 150<BR>\n" );
document.write( "45s - 30s = 150<BR>\n" );
document.write( "15s = 150<BR>\n" );
document.write( "s = 10 km/hr is C's speed, 15 km/hr is M's speed<BR>\n" );
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document.write( "check solutions by confirming that the times are the same:<BR>\n" );
document.write( "30/10 = 3 hr<BR>\n" );
document.write( "45/15 = 3 hr<BR>\n" );
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document.write( "2. hat size head circum. (to nearest 1/5 inch) head circum to nearest cm<BR>\n" );
document.write( "7 3/8 23 1/5 59<BR>\n" );
document.write( "-???- ?????- 58<BR>\n" );
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document.write( "Find the relationship of cm to inches: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=59%2F%2823.2%29 ALIGN=MIDDLE  ALT=\"59%2F%2823.2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2.54 cm in 1 inch<BR>\n" );
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document.write( "Convert 58 cm to inches: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=58%2F2.54 ALIGN=MIDDLE  ALT=\"58%2F2.54\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 22.83 inches or 22<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F5 ALIGN=MIDDLE  ALT=\"4%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >inches<BR>\n" );
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document.write( "Find the relationship of circumference in inches to hat size<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7.375%2F23.2 ALIGN=MIDDLE  ALT=\"7.375%2F23.2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .318<BR>\n" );
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document.write( "Multiply 22.8 * .318 = 7.24 or 7<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >(hat size)<BR>\n" );
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document.write( "Fill in the table as follows:<BR>\n" );
document.write( "7 3/8....23 1/5...59<BR>\n" );
document.write( "7 1/4....22 4/5...58<BR>\n" );
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document.write( "Did this help?  </SPAN>\n" );
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