document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1087249>Question 1087249</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The water usage in a city varies directly with the population of a city.  City A has a population of 325,000 people and uses an average of 28,925,000 gallons of water per day.  How many gallons of water per day should we expect City B to produce if its population is 4,890,00. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #701814 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=701814\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The water usage in a city varies directly with the population of a city.<BR>\n" );
document.write( " City A has a population of 325,000 people and uses an average of 28,925,000 gallons of water per day.<BR>\n" );
document.write( " How many gallons of water per day should we expect City B to produce if its population is 4,890,000.  <BR>\n" );
document.write( ":<BR>\n" );
document.write( "Direct variation ratio<BR>\n" );
document.write( ":<BR>\n" );
document.write( "let b = gal of water used by City B<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%2F28925000 ALIGN=MIDDLE  ALT=\"b%2F28925000\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4890000%2F325000 ALIGN=MIDDLE  ALT=\"4890000%2F325000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "we can simplify this<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%2F28925000 ALIGN=MIDDLE  ALT=\"b%2F28925000\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4890%2F325 ALIGN=MIDDLE  ALT=\"4890%2F325\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cross multiply<BR>\n" );
document.write( "325b = 28925000*4890<BR>\n" );
document.write( "325b = 1.414(10^11)<BR>\n" );
document.write( "b = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.414%2810%5E11%29%2F325 ALIGN=MIDDLE  ALT=\"1.414%2810%5E11%29%2F325\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b = 435,210,000 gal used by city B\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );