Anna is going to invest in an account paying an interest rate of 5.1% compounded continuously. How much would Anna need to invest, to the
nearest hundred dollars, for the value of the account to reach $47,000 in 14
years?

HELP PLS

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.