SAT Question 3d73a58b: Percentages answer and explanation with Desmos solution

06$.I{t}^{\prime }sgiventhattheretailpriceis＄290\%$ of the wholesale price of $7.00. Thus, the retail price is \7.00 \left( \frac{290}{100} \right), which is equivalent to \7.00 \left( 2.9 \right), or \20.30$.I{t}^{\prime }salsogiventhatthediscountedpriceis＄80\%$ off the retail price. Thus, the discounted price is $20.30 \left( 1 - \frac{80}{100} \right), which is equivalent to \20.30 \left( 0.20 \right), or \4.06$. Note that 4.06 and 4.060 are examples of ways to enter a correct answer.