The avg

The avg. age of a group of 32 students is 20 years.If 4 more students join the group,the avg age increases by 1 year.The avg age of the new student is?

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 #8772