Question 1077095
<b><pre><font size=3>
$45 must equal X minus 20% of X

{{{45}}}{{{""=""}}}{{{X - 0.20*X}}}

{{{45}}}{{{""=""}}}{{{"1.00"X - 0.20X}}}

{{{45}}}{{{""=""}}}{{{("1.00" - 0.20)X}}}

{{{45}}}{{{""=""}}}{{{0.80X}}}  <-- You COULD BEGIN HERE IF YOU REALIZE THAT THE SALE PRICE IS 80% OF THE ORIGINAL PRICE!

{{{45/0.80}}}{{{""=""}}}{{{(0.80X)/0.80}}} 

{{{"$56.25"}}}{{{""=""}}}{{{X}}}

Edwin</b></font></pre>