The average of 100,200,300 and x is 250 and the average of…

The average of 100,200,300 and x is 250 and the average of 300,150,100,x and y is 200. What is the value of y?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #37886