document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=582944>Question 582944</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You are trying to decide which of 2 cars to buy. An American made costs $14,500 and has a consumption of 28 miles/gallon. The other is Japanese, costs $21,700 and with a consumption of 19km/litre.<BR>\n" );
document.write( "If the cost of petrol is $2.50 per gallon, estimate the number of miles you will need to drive the second car to compensate for the higher cost of the car. <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 #372407 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=372407\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are trying to decide which of 2 cars to buy. <BR>\n" );
document.write( "An American made costs $14,500 and has a consumption of 28 miles/gallon.<BR>\n" );
document.write( " The other is Japanese, costs $21,700 and with a consumption of 19km/litre.<BR>\n" );
document.write( "If the cost of petrol is $2.50 per gallon, estimate the number of miles you will need to drive the second car to compensate for the higher cost of the car. <BR>\n" );
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document.write( "Change 19 km to mile<BR>\n" );
document.write( ".6214(19) = 11.8066 mi/liter<BR>\n" );
document.write( "Change to mi/gal<BR>\n" );
document.write( "11.8066 * 3.785 = 44.688 = 44.7 mi/gal<BR>\n" );
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document.write( "Let m = no. of miles for the total cost of be the same<BR>\n" );
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document.write( "2.50*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%2F28 ALIGN=MIDDLE  ALT=\"m%2F28\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 14500 = 2.50*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%2F44.7 ALIGN=MIDDLE  ALT=\"m%2F44.7\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 21700<BR>\n" );
document.write( ".0893m + 14500 = .0559m + 21700<BR>\n" );
document.write( ".0893m - .0559m = 21700 - 14500<BR>\n" );
document.write( ".0334m = 7200<BR>\n" );
document.write( "m = 7200/.0334<BR>\n" );
document.write( "m = 215,569 mi for the total cost of each to be about the same<BR>\n" );
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document.write( "See if that works out<BR>\n" );
document.write( "Acost = 2.50*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=215569%2F28 ALIGN=MIDDLE  ALT=\"215569%2F28\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 14500<BR>\n" );
document.write( "cost = $33,747<BR>\n" );
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document.write( "Jcost = 2.50*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=215569%2F44.7 ALIGN=MIDDLE  ALT=\"215569%2F44.7\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 21700<BR>\n" );
document.write( "cost = $33.756<BR>\n" );
document.write( ":\r<BR>\n" );
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