Pleasse help Tyler took 4 piano lessons last month. For each lesson, he memorized 2 major scales and x minor scales. Pls help

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