The Treasureful Tundra

Riddle: If Zach finds 10 boxes of treasure when exploring and comes back tomorrow and finds a note saying, "Each day I will give 10 more treasure chests but each time you take one I give half of the amount you took". In 6 months how many will Zach have if he takes none?

Answer: 420 chests of treasure.

Source: https://www.riddles.com/10783

If Zach finds 10 boxes of treasure when exploring and comes back tomorrow and finds a note saying, "Each day I will give 10 more treasure chests but each time you take one I give half of the amount you took". In 6 months how many will Zach have if he takes none? — The treasureful tundra by Izino v1.

Riddle: If Zach finds 10 boxes of treasure when exploring and comes back tomorrow and finds a note saying, "Each day I will give 10 more treasure chests but each time you take one I give half of the amount you took". In 6 months how many will Zach have if he takes none? Answer: 420 chests of treasure. — by Izino v2.