I need help with both please, both answers

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Hi, can anyone show me how to do this problem? 100 points for this. in advance