Answer :
Well, you have a subtotal of 50$ when you add those two prices together, then you would take off 30% of that. $35.00 would be your total.
First, you add 30 and 20, and you get 50. Then, since 30 is your highest priced item, you find 0.30 of 30, which is 9. After that you would subtract 9 from 30, which gives you 21. Therefore, we know the price is 41