document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1011879>Question 1011879</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A river has width 30 metres. If the depth y metres at distance x metres from one bank be given by the table.\r<BR>\n" );
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document.write( "x   0  5 10 15 20 25 30\r<BR>\n" );
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document.write( "y   0 1.2  2.1  2.4  1.6  0.6  0\r<BR>\n" );
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document.write( "Find the approximate area of cross-section. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #627703 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=627703\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The approximate area of the cross-section is the plane (the surface) covered by the water in the river channel. It is the product of the width of the channel, and the average depth of the river.<BR>\n" );
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document.write( "average depth is ((1.2 + 2.1 + 2.4 + 1.6 + 0.6) / 5) * 30 = 47.4 square meters\r<BR>\n" );
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