Question

In a castle there is food for 63 soldiers to last for 27 days. After 7 days 27 more soldiers join them. For how many days will the food last now?

Answer 1

Barium is a naturally occurring alkaline metalloid element with atomic symbol Ba, atomic number 56, and atomic weight 137 that is only found in combination with other elements, typically barite (barium sulfate) and witherite (barium carbonate), or chemicals.