How is the value of 2 in the number 542 different from the value of 2 in the number 324

Matteo makes raspberry punch. the table shows how many parts ginger ale and raspberry juice to use for a batch. raspberry punch parts ginger ale 2 parts raspberry juice 3 matteo decides to add one part of raspberry juice. what is the new ratio of ginger ale to raspberry juice?

Ithink i know it but i want to be sure so can you me out ?

Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2