document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1207698>Question 1207698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "Selena and Ella shared a sum of money. When Selena's share increased from 500 to 620 dollars, the amount of Ella's share decreased by 20%. How much was Ella's share at first. <BR>\n" );
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document.write( "Answer: <font color=red>$600</font>\r<BR>\n" );
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document.write( "Explanation\r<BR>\n" );
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document.write( "500 = Selena's initial amount<BR>\n" );
document.write( "x = Ella's initial amount\r<BR>\n" );
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document.write( "Selena's amount goes from $500 to $620.<BR>\n" );
document.write( "Selena gained $120 since 620-500 = 120.<BR>\n" );
document.write( "This must mean Ella lost $120. <BR>\n" );
document.write( "Ella's amount goes from x to x-120.<BR>\n" );
document.write( "This assumes the overall pot of money stays the same (i.e. no new amount of dollars enter it).\r<BR>\n" );
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document.write( "The instructions state that Ella's amount decreased by 20%<BR>\n" );
document.write( "So,<BR>\n" );
document.write( "20% of x = 120 dollars lost<BR>\n" );
document.write( "0.20x = 120<BR>\n" );
document.write( "x = 120/0.20<BR>\n" );
document.write( "x = <font color=red>600</font>\r<BR>\n" );
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document.write( "Selena and Ella start off with $500 and <font color=red>$600</font> respectively.<BR>\n" );
document.write( "They will end up with 500+120 = 620 and 600-120 = 480 dollars after that $120 goes from Ella to Selena.<BR>\n" );
document.write( "The percent decrease from 600 to 480 is (600-480)/600 = 0.20 = 20% decrease to help us confirm the answer is correct.\r<BR>\n" );
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document.write( "It might be helpful to make a table<BR>\n" );
document.write( "<TABLE  border = \"1\" cellpadding = \"5\">\n" );
document.write( "<tr><TD ></TD><TD >Start</TD><TD >Finish</TD></tr><tr><TD >Selena</TD><TD >500</TD><TD >620</TD></tr><tr><TD >Ella</TD><TD ><font color=red>600</font></TD><TD >480</TD></tr>\n" );
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