document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=230635>Question 230635</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two families meet at a park for a picnic. At the end of the day, one family travels east at an average speed of 42 miles per hour, and the other family travels west at an average speed of 50 miles per hour. Both families have approximately 160 miles to travel. \r<BR>\n" );
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document.write( "(a) Find the time it takes each family to get home. <BR>\n" );
document.write( "(b) Find the time that will have elapsed when they are 100 miles apart. <BR>\n" );
document.write( "(c) Find the distance the eastbound family has to travel after the westbound family has arrived home.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #171002 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=171002\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two families meet at a park for a picnic. At the end of the day, one family<BR>\n" );
document.write( " travels east at an average speed of 42 miles per hour, and the other family travels west at an average speed of 50 miles per hour.<BR>\n" );
document.write( " Both families have approximately 160 miles to travel.<BR>\n" );
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document.write( "(a) Find the time it takes each family to get home.<BR>\n" );
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document.write( "Time = dist/speed<BR>\n" );
document.write( "Family A: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=160%2F42 ALIGN=MIDDLE  ALT=\"160%2F42\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 3.8 hrs, 3 hrs 48.6 min<BR>\n" );
document.write( "Family B: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=160%2F50 ALIGN=MIDDLE  ALT=\"160%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 3.2 hrs, 3 hrs 12 min<BR>\n" );
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document.write( "(b) Find the time that will have elapsed when they are 100 miles apart.<BR>\n" );
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document.write( "Let t = travel time for this to be accomplished<BR>\n" );
document.write( "Dist = speed*time<BR>\n" );
document.write( "42t + 50t = 100<BR>\n" );
document.write( "92t = 100<BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100%2F92 ALIGN=MIDDLE  ALT=\"100%2F92\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 1.09 hrs; 1 hr 5.2 min<BR>\n" );
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document.write( "(c) Find the distance the eastbound family has to travel after the westbound family has arrived home.<BR>\n" );
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document.write( "Another dist equation, <BR>\n" );
document.write( "(it took 3.2 hrs for B to get home, how far will A drive in that time?)<BR>\n" );
document.write( "160 - 3.2(42) = <BR>\n" );
document.write( "160 - 134.4 = 25.6 mi to go<BR>\n" );
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