document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=959154>Question 959154</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a)	The perimeter of a rectangular field is 120 meters. Its length is 10 meters more than its width. Find the length and width of this rectangle?\r<BR>\n" );
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document.write( "b)	Going for a long trip, Joshua drove for 3 hours and had lunch. After lunch he drove for 4 more hours at a speed that is 10 km/h more than before lunch. The total trip was 600 km. <BR>\n" );
document.write( "i.	What was his speed before lunch? <BR>\n" );
document.write( "ii.	What distance did he drive after lunch?\r<BR>\n" );
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document.write( "can i have the solution as well. Thanks\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #586298 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=586298\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) Perimeter(P) = 2l +2w where l is length and w is width<BR>\n" );
document.write( "we are given l = w +10, therefore<BR>\n" );
document.write( "2(w+10) + 2w = 120<BR>\n" );
document.write( "2w +20 +2w = 120<BR>\n" );
document.write( "4w = 100<BR>\n" );
document.write( "w = 25 and<BR>\n" );
document.write( "length is 35 meters and width is 25 meters<BR>\n" );
document.write( "b) we use the formula rate * time = distance, let<BR>\n" );
document.write( "r be Joshua's rate before lunch and r+10 is his rate after lunch, therefore<BR>\n" );
document.write( "3r + 4(r+10) = 600<BR>\n" );
document.write( "3r +4r +40 = 600<BR>\n" );
document.write( "7r = 560<BR>\n" );
document.write( "r = 80<BR>\n" );
document.write( "i) Joshua's speed before lunch is 80 km per hour<BR>\n" );
document.write( "ii) after lunch,<BR>\n" );
document.write( "4(r+10) = 4(80+10) = 360 km<BR>\n" );
document.write( "Joshua travels 360 km after lunch\r<BR>\n" );
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