<span>$S = $P - $P × 0.15 = $P(1 - 0.2) = $P × 0.8. Do a litte algebra, you get $S=.8$P. $S stands for sale price, $P stands for original price. We know the sales price: $644. We know now that 644=.8$P. Divide both sides by .8 and you get $P=$805. Hope this helps!</span>
How can your mom say she’s a virgin? Unless you’re not directly from her. You look like your dad because of genes. I look like my mom while my sister looks like my dad. Nothing changes that. Ask her why she says that—?