A sporting goods store manager was selling a ski set for a certain price. The manager offered the markdowns shown, making the one-day sale price of the ski set $326. Find the original selling price of the ski set. This is for original and then 10% off then 30% off.

The original selling price is $517.46

Step-by-step explanation:

Let the initial selling price be $q

After marking down 10%,

Final Selling price = Selling price (1-10%)

Selling price = q - 10% of q = q - 0.1q = 0.9q

After marking 30%

Final Selling price = Selling price (1-10%)

Selling price = 0.9q - (0.3*0.9q) = 0.9q - 0.27q = 0.63q

Therefore,

0.63q = 326

Therefore, the original selling price is $517.46