I need help with geometry

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

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Find the value of x. give reasons to justify your solutions! h ∈ ig