An iron mining company depletes 1/11 of the iron ore in a…

An iron mining company depletes 1/11 of the iron ore in a pit it mines over a year. If the company opens a new iron ore mining pit in year 1 and if the initial reserves of the pit were estimated to be 9000 MT (million tons), what is the approximate total quantity of iron ore that would have been mined from that pit by the end of year 4?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #40907