# Jeff Bezos, who owns Amazon, has a net worth of approximately \$143.1 billion (as of mid-2018). An em

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Jeff Bezos, who owns Amazon, has a net worth of approximately \$143.1 billion (as of mid-2018). An employee in the Amazon distribution center earns about \$13 an hour. The estimated lifespan of the employee is 71 years. If the employee worked 24 hours a day, every day of the year from the moment of his birth, how many lifespans would it take for him to earn wages equivalent to Jeff Bezos' net worth? Round the answer to the nearest whole number.

Calculate earnings per lifespan:
Earnings per lifespan = lifespan in years * Annual Earnings
Earnings per lifespan = 71 * 13 * 24 * 365 <-- (24 hours per day * 365 days per year)
Earnings per lifespan = 8,085,480

Calculate the number of lifespans needed to match Jeff Bezos earnings:
Number of lifespans = Jeff Bezos Net Worth / Earnings Per Lifespan
Number of lifespans = 143,100,000,000 / 8,085,480
Number of lifespans = 17,698.39 ~ 17,699