Well the Regular Price is the price before the sale was added. So here's the work that I would put in and in the end, just divide by (1 - 0.38).
Price x (1 - 0.38) = Sale Price (529)
Price x 0.62 = 529
Price = 529 / 0.62 = 853.23
$853.23 was the Regular Price
<span>Eight years after the U.S. Supreme Court ruled unanimously that racial segregation in public schools was unconstitutional, in the 1954 case of Brown v. Board of Education of Topeka, he penned this cartoon expressing his dismay at the country's slow progress toward educational integration.</span>
The endoplasmic reticulum, golgi apparatus, and the mitochondria.