October 2024
Problem of the Month
How Tall is That?
by Kipp Johnson of Valley Catholic School, Beaverton, Oregon
In 2024, Jeff Bezos was again named the world's richest person, with a net worth of two hundred billion dollars.
In the Great Depression, lots of people took all their cash and hid it under a mattress in their
home because they feared that banks were not safe.
If Jeff Bezos took his entire fortune in one dollar bills and put them in a single vertical pile under his mattress,
how tall would the pile be?
Give your answer to the nearest ten miles.
Scroll down for a hint...
The thickness of a dollar bill is 0.004375 inches.