document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313651>Question 313651</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I had this question to answer and I'm not sure if the calcualtions are correct.  Can someone give me some direction.  Thanks\r<BR>\n" );
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document.write( "A ball drops from a certain height rises after bouncing to 40% of its original height.  After bouncing if the ball rises to 2 ½ ft.  What is the height from which it was dropped?<BR>\n" );
document.write( "a = b x r x100<BR>\n" );
document.write( "a = 2 ½ x 40% 		(Change 2 ½ to decimal and 40% to a decimal)<BR>\n" );
document.write( "a = 2.5 x .40 x 100<BR>\n" );
document.write( "a = 2/5 x .40 = 1 ft.<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 #224247 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=224247\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A ball drops from a certain height rises after bouncing to 40% of its original height. After bouncing if the ball rises to 2 ½ ft. What is the height from which it was dropped?<BR>\n" );
document.write( "a = b x r x100<BR>\n" );
document.write( "a = 2 ½ x 40% (Change 2 ½ to decimal and 40% to a decimal)<BR>\n" );
document.write( "a = 2.5 x .40 x 100<BR>\n" );
document.write( "a = 2/5 x .40 = 1 ft.<BR>\n" );
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document.write( "It would bounce to 1 foot on the next bounce.  That's not what was asked for, tho.<BR>\n" );
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document.write( "The question is, where did it start when it bounced to 2.5 feet.<BR>\n" );
document.write( "2.5 feet is 40% of the height it was dropped from.<BR>\n" );
document.write( "0.4*h = 2.5<BR>\n" );
document.write( "h = 2.5/0.4<BR>\n" );
document.write( "h = 6.25 feet </SPAN>\n" );
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