document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=28493>Question 28493</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP ASAP: In a family there are two cars.  In a given week, the first car gets an average of 30 miles per gallon, and the second car gets 25 miles per gallon.  The two cars combined drive a total of 1700 miles in that week, for a total gas consumption of 60 gallons.  How many gallons were consumed by each of the two cars that week?  Thank you very much </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #15483 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=15483\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> combined miles travelled = (1st car mpg x gals used) + (2nd car mpg x gals used)<BR>\n" );
document.write( "let x = gallons used by 1st car. (60 - x)= gallons used by 2nd car<BR>\n" );
document.write( "1700 = 30x + 25(60 - x)<BR>\n" );
document.write( "200 = 5x<BR>\n" );
document.write( "x = 40<BR>\n" );
document.write( "(60 - x) = 20<BR>\n" );
document.write( "check<BR>\n" );
document.write( "1700 = 30 x 40 + 25 x 20<BR>\n" );
document.write( "1700 = 1200 + 500<BR>\n" );
document.write( "1700 = 1700<BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );