document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946396>Question 946396</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A certain number of pencils can be bought for R7.20. If the price of the pencil is increased by 4c, six fewer pencils can be bought. Find the original number of pencils </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #577344 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=577344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> q, how many pencils bought at R7.20; this price is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7.20%2Fq ALIGN=MIDDLE  ALT=\"7.20%2Fq\"   DISABLED_style= \"max-width:90%; height:auto;\" > R's per pencil.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Reader might assume that \"c\" means 0.01 of 1 R.  The stated condition may mean price becomes <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7.20%2Fq%2B4%2F100 ALIGN=MIDDLE  ALT=\"7.20%2Fq%2B4%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" >  R's per pencil.  Now, R7.20 will allow purchase of q-6 pencils.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "What is the hypothetical new purchase?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28q-6%29%2F%287.20%2Fq%2B4%2F100%29=7.20 ALIGN=MIDDLE  ALT=\"%28q-6%29%2F%287.20%2Fq%2B4%2F100%29=7.20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Check carefully how that equation works.  Examine the units.<BR>\n" );
document.write( "Number of pencils DIVIDED BY price per pencil, IS the purchase cost.<BR>\n" );
document.write( "When that makes sense, then solve the equation for q. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );