Pls help it is due today

If jaime wants to find 60% of 320, which table should he use?

How to do this , and can some one explain

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years