A rancher's herd of 250 cattle grazes over a 40-acre pasture. He would like to find out how many cattle are grazing on each acre of the pasture at any given time so he gets some satellite images. Here are the number of cattle found on three one-acre sections.

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