document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=664161>Question 664161</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a car traveled at an average rate of 65 miles per hour and then reduced its average rate ro 45 miles per hour for the rest of the trip . if the 180 mile trip took 3 hours, determine how long the car traveled at each rate?<BR>\n" );
document.write( "what i came up with was 180-65=115/3 and got 38.33 and 180-45=135/3 = 45 but when i added the two they dont equal the same so im really lost </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413196 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=413196\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a car traveled at an average rate of 65 miles per hour and then reduced its average rate ro 45 miles per hour for the rest of the trip . if the 180 mile trip took 3 hours, determine how long the car traveled at each rate?<BR>\n" );
document.write( "what i came up with was 180-65=115/3 and got 38.33 and 180-45=135/3 = 45 but when i added the two they dont equal the same so im really lost\r<BR>\n" );
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document.write( "It can’t be done that way!!\r<BR>\n" );
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document.write( "Let time 1st part of trip took be T<BR>\n" );
document.write( "Then 2nd part of trip took 3 – T<BR>\n" );
document.write( "Distance traveled during 1st part of trip, plus distance traveled during 2nd part of trip, equals total distance traveled, OR<BR>\n" );
document.write( "65(T) + 45(3 – T) = 180<BR>\n" );
document.write( "65T + 135 – 45T = 180<BR>\n" );
document.write( "65T – 45T = 180 – 135<BR>\n" );
document.write( "20T = 45\r<BR>\n" );
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document.write( "T, or time taken on 1st part of trip, or at 65 mph = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2F20 ALIGN=MIDDLE  ALT=\"45%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%282.25%29 ALIGN=MIDDLE  ALT=\"highlight_green%282.25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours, or 2 hours, 15 minutes\r<BR>\n" );
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document.write( "Time taken on 2nd part of trip, or at 45 mph = 3 – 2.25, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28.75%29 ALIGN=MIDDLE  ALT=\"highlight_green%28.75%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > hour, or 45 minutes\r<BR>\n" );
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document.write( "See if you can do the check!!\r<BR>\n" );
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document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com  </SPAN>\n" );
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