document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1124993>Question 1124993</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I attempted to try this problem for myself, yet I still got the wrong answer. So can you figure out what I did wrong? I multiplied 0.04 by 2500 and 0.7 by 20. And I still got the wrong answer.\r<BR>\n" );
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document.write( "For problem 121 the polynomial 0.04v^2 + 0.7v models the number of feet it takes for a car traveling v miles per hour to stop on dry, level concrete. \r<BR>\n" );
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document.write( "a) How many feet will it take a car traveling 50 miles per hour to stop on dry, level concrete?\r<BR>\n" );
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document.write( "b) How many feet will it take a car traveling 20 miles per hour through a school zone to stop on dry, level concrete?<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 #741319 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=741319\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(v) = 0.04v^2 + 0.7v <BR>\n" );
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document.write( "a) 50 mph stopping distance = 0.04(50)^2 + 0.7(50) = 135 feet<BR>\n" );
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document.write( "b) 20 mph stopping distance = 0.04(20)^2 + 0.7(20) =  30 feet<BR>\n" );
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