My brain hurts. They snuck algebra into geology and I am not happy. Who cares how long it takes you to walk at 12 miles per hour to the center of the Earth, converted to kilometers per hour? Either way it's impossible.

My brain hurts. They snuck algebra into geology and I am not happy. Who cares how long it takes you to walk at 12 miles per hour to the center of the Earth, converted to kilometers per hour? Either way it's impossible.