To determine how many burgers Mr. Johnson can purchase with his yearly pay, divide the yearly pay of $13,800,000 by the cost of each burger:

`($13,800,000)/(($3.5)/(b))=3,942,857` burgers

**Thus he can purchase 3,942,857 burgers.**

If one eats 3 burgers/day, the number of days that it would take to eat `3,942,857` burgers can be determined by dividing:

`(3,942,857)/3=1,314,285.67` days

Round to the nearest unit and divide 1,314,286 days by 365 days/year to determine how many years it would take.

`(1,314,285.67)/365=3601` years

**Thus it would take someone 3600 years to eat `1,314,285.67`burgers. Nobody could live that long to eat so many burgers in a lifetime!**

The number of seconds in a year can be calculated as follows:

`(365)(days)/(year)*(24)(hours)/(day)*(60)(min)/(hour)*(60)(sec)/(min)=31,536,000(sec)`

Compute earnings per second by dividing total earnings per year by number of seconds in a year.

`($13,800,000)/(31,536,000)=$0.437/(second)`

**Therefore the amount he earns per second is 44 cents**, which is equal to $1575/hour.

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