document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442768>Question 442768</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a) A locomotive is 10 m long and weighs 72 tonnes. A similar model, made of the same material, is 40 cm long, find the mass of the model.<BR>\n" );
document.write( "b) Suppose the tank of the model locomotive contains 0.85 liters of water when full, find the capacity of the tank of the locomotive.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305521 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=305521\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) A locomotive is 10 m long and weighs 72 tonnes. A similar model, made of the same material, is 40 cm long, find the mass of the model.<BR>\n" );
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document.write( "Convert 40 cm to .4 m<BR>\n" );
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document.write( "Use a volume proportion equation, let x = mass of the 40 cm engine<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F72 ALIGN=MIDDLE  ALT=\"x%2F72\"   DISABLED_style= \"max-width:90%; height:auto;\" >= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.4%5E3%2F10%5E3 ALIGN=MIDDLE  ALT=\".4%5E3%2F10%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F72 ALIGN=MIDDLE  ALT=\"x%2F72\"   DISABLED_style= \"max-width:90%; height:auto;\" >= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.064%2F1000 ALIGN=MIDDLE  ALT=\".064%2F1000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply:<BR>\n" );
document.write( "1000x = 72 * .064<BR>\n" );
document.write( "1000x = 4.608<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.608%2F1000 ALIGN=MIDDLE  ALT=\"4.608%2F1000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = .004608 tonnes<BR>\n" );
document.write( "change to kilograms<BR>\n" );
document.write( ".004608*1000 = 4.61 kg<BR>\n" );
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document.write( "b) Suppose the tank of the model locomotive contains 0.85 liters of water when full, find the capacity of the tank of the locomotive.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.85%2Fx ALIGN=MIDDLE  ALT=\".85%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.064%2F1000 ALIGN=MIDDLE  ALT=\".064%2F1000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".064x = 1000*.85<BR>\n" );
document.write( ".064x = 850<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=850%2F.064 ALIGN=MIDDLE  ALT=\"850%2F.064\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 13,281.25 liters of water </SPAN>\n" );
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