A mining crew started out at 84 ft underground. They took an elevator another 123ft down and then rose mine carts 55 ft back up. How far underground are the miners? - QAmmunity.org

A mining crew started out at 84 ft underground. They took an elevator another 123ft down and then rose mine carts 55 ft back up. How far underground are the miners?

asked Jan 20, 2020 214k views

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