document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=102018>Question 102018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Substitute the given values into the formula and solve for the unknown variable.<BR>\n" );
document.write( "15) A = 1/2bh; b = 19, h = 3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #74698 by </B><A HREF=/tutors/aboutme.mpl?userid=JP><B>JP(22)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JP><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=JP><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=74698\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is the area formula for a triangle.  First you must plug in your numbers for b and h respectively.<BR>\n" );
document.write( "So, you have, A=1/2(19)*(3).<BR>\n" );
document.write( "You then multiply 19 by 1/2 to get 19/2.<BR>\n" );
document.write( "Because, 19/1*1/2=19/2.<BR>\n" );
document.write( "So now you have A=(19/2)*(3).<BR>\n" );
document.write( "Multiply 19/2 by 3, 19/2*3/1, that equals 57/2.<BR>\n" );
document.write( "So now you have A=57/2.<BR>\n" );
document.write( "Then divide 57/2 and you get 28.5.<BR>\n" );
document.write( "A=28.5 is your solution.\r<BR>\n" );
document.write( "\n" );
document.write( "To check your work plug in 28.5 into variable A.<BR>\n" );
document.write( "28.5=1/2(19)(3)<BR>\n" );
document.write( "28.5=(19/2)(3)<BR>\n" );
document.write( "28.5=57/2<BR>\n" );
document.write( "28.5=28.5 thus proving the solution is valid\r<BR>\n" );
document.write( "\n" );
document.write( "Hope this helps. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );