document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=64984>Question 64984</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0028253264/algebrahomeworkh>Glencoe Algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Julio Mendez is a carpenter. He is building a staircase between the first and second floors of a house, a height of 9 feet. The tread, or depth of each step, must be 10 inches. The slope of the staircase cannot exceed 3/4.\r<BR>\n" );
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document.write( "What is the measure of the riser, or height of each step?\r<BR>\n" );
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document.write( "Thanks sooo much! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #45535 by </B><A HREF=/tutors/aboutme.mpl?userid=303795><B>303795(602)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=303795><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=45535\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a slope of 3/4 the stair can rise 3 units for every 4 units of width.<BR>\n" );
document.write( "In the case of a 10 inch wide stair then it can only rise a maximum of 7.5 inches to the next step.\r<BR>\n" );
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document.write( "If you have 9 feet to go up then that is 9 x 12 = 108 inches.<BR>\n" );
document.write( "Dividing 108 by 7.5 gives 14.4.<BR>\n" );
document.write( "A greater number of steps will reduce the rise so use 15 steps.<BR>\n" );
document.write( "108/15 = 7.2 so use a rise of 7.2 inches.\r<BR>\n" );
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document.write( "Note that 7.5 is the maximum rise so any whole number of steps greater than 14.4 could be used and still meet the conditions. </SPAN>\n" );
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