Josephine Johnson writes:
"Now…. A glass jar holds a single germ. After one minute, the germ splits into two germs. One minute after that, the two germs each split again, forming a total of four germs. Continuing at this rate, a single germ can multiply to fill the whole jar in exactly one hour. Knowing this, how long in minutes would it take to fill the jar if you had started with two germs?"