document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=441064>Question 441064</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, im stuck on this question and would like some help thanks. :)\r<BR>\n" );
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document.write( "The heights, in metres, or two hot-air balloons are measured at the same time. these formulae give their heights t seconds after that time.<BR>\n" );
document.write( "- Balloon 1: 500-0.5t<BR>\n" );
document.write( "- Balloon 2: 50+0.4t\r<BR>\n" );
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document.write( "a)Write down an equation and solve it to work out how many seconds it will take for the two balloons to be at the same height.\r<BR>\n" );
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document.write( "b) What will the height be at the time in part a?\r<BR>\n" );
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document.write( "This word problem confuses me so it would be great if you could help.<BR>\n" );
document.write( "Thanks<BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #304514 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=304514\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The heights, in metres, or two hot-air balloons are measured at the same time. these formulae give their heights t seconds after that time.<BR>\n" );
document.write( "- Balloon 1: 500-0.5t<BR>\n" );
document.write( "- Balloon 2: 50+0.4t <BR>\n" );
document.write( "a)Write down an equation and solve it to work out how many seconds it will take for the two balloons to be at the same height.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve:<BR>\n" );
document.write( "500 - 0.5t = 50 + 0.4t<BR>\n" );
document.write( "0.9t = 450<BR>\n" );
document.write( "t = 500 seconds<BR>\n" );
document.write( "--------------------------- <BR>\n" );
document.write( "b) What will the height be at the time in part a? <BR>\n" );
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document.write( "h(500) = 50 + 0.4(500)<BR>\n" );
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document.write( "= 40 + 200<BR>\n" );
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document.write( "= 240 ft.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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