The population of a colony of mosquitoes obeys the uninhibited growth equation dN/dt=kN. If there are 1000 mosquitoes initially and there are 1700 mosquitoes after 12 days, what is the mosquito population N after 3 days?
(Use symbolic notation and fractions where needed.)

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?