A miner descended 1200 feet into a mine. While in the mine, he then rose 900 feet and then descended 350 feet.
I guess you are wanting to know how many feet he is descended now if that is how you say it but the answer is 650. You do it like this. 1200-900+350=650
I guess you are wanting to know how many feet he is descended now if that is how you say it but the answer is 650. You do it like this. 1200-900+350=650