document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=455335>Question 455335</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is a tough one: A family has two cars. The first car gets 20 miles per gallon, and the second car gets 35 mpg. During one particular week, the two cars drove a combined total of 1850 miles for a total gas consumption of 70 gallons. How many gallons were consumed by each of the two cars that week? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #312603 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=312603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A family has two cars. The first car gets 20 miles per gallon, and the second car gets 35 mpg. During one particular week, the two cars drove a combined total of 1850 miles for a total gas consumption of 70 gallons. How many gallons were consumed by each of the two cars that week?<BR>\n" );
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document.write( "m = miles on 1st car<BR>\n" );
document.write( "m/20 + (1850-m)/35 = 70<BR>\n" );
document.write( "7m + 4(1850-m) = 9800<BR>\n" );
document.write( "7m - 4m + 7400 = 9800<BR>\n" );
document.write( "3m = 2400<BR>\n" );
document.write( "m = 800 miles using 40 gallons<BR>\n" );
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document.write( "2nd car went 1050 miles used 30 gallons </SPAN>\n" );
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