document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=265146>Question 265146</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels 330 miles in 6 hours. It travels at 50 mph for the first two hours and travels the last 180 miles at 60 miles per hour. It travels at constant speed for the remaining time. \r<BR>\n" );
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document.write( "Let x be the time traveled at the unknown constant speed.\r<BR>\n" );
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document.write( "The total itme for the trip was 6 hours so:\r<BR>\n" );
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document.write( "6 = time traveled at 50 mph + time traveled at 60 mph + time traveled at x mph. \r<BR>\n" );
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document.write( "(a) How long did it take to travel the first 150 miles?  (hours) <BR>\n" );
document.write( "(b) Where was the car after 3 hours?  (miles from the start)\r<BR>\n" );
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document.write( "I thought the answer would be 100 (first two hours) plus 5/6 (50 min/60 min) since the second speed is traveling 60 miles, but we only want 50 of them, so the total would be 2+5/6 hours; but that wasn't right.<BR>\n" );
document.write( "For the second part I thought it would be 100+60=160 for the first 2 hours (100 miles) + one more hour of 60mph, which would add 60. This wasn't right either.\r<BR>\n" );
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document.write( "Any help would be great I'm really confused! Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #195036 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=195036\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A car travels 330 miles in 6 hours. It travels at 50 mph for the first two hours and travels the last 180 miles at 60 miles per hour. It travels at constant speed for the remaining time. \r<BR>\n" );
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document.write( "(a) How long did it take to travel the first 150 miles?  (hours)<BR>\n" );
document.write( "time = distance/rate = 150/50 = 3 hrs<BR>\n" );
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document.write( "(b) Where was the car after 3 hours?  (miles from the start)<BR>\n" );
document.write( "distance = rate*time = 50*3 = 150 miles<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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