1) Wolverine sells a piece of armor to Spiderman at 10% profit. Spiderman sells it to Thor at 15% profit. Thor sells it to Ironman at 25% profit. Ironman sells it to Daredevil at 35% profit. If Daredevil is willing to sell it at 35 with 0% profit, what was the original price? 2) The cost of tiles made from materials P, Q, and R is 20$, 40$ and 50$, per tile, respectively. We make 1 tile in which these three materials P, Q, and R are mixed in the ratio of 2:3:5. What should the selling price for this tile be for a net profit of 20%?
