Question

An item is advertised on sale at 85% off. To find the sales price, you multiply the original price by

Answer 1

say the regular price is "x", then if the product is discounted by 85%, that means the discounted price is just 15% of the regular price, 85% + 15% = 100%.

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{15\% of "x"}}{\left( \cfrac{15}{100} \right)x}\implies 0.15\cdot x$

Answer 2

Answer:

.85

all you need to do is is move the decimal two places to the left which leaves you with .85, then you multiply the original price by the decimaled sales amount