To a has 17 marbles the types are are aggies comets and cats eye she has twice as many aggies as comets she has one more cats eye than comets haw many does she have

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

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Ineed with number 6 , explain how to get 1978