### Home > CCA2 > Chapter 9 > Lesson 9.3.1 > Problem 9-81

9-81.

If you deposit $1000 into an account that pays 6% annual interest compounded monthly, how long do you have to wait until the account is worth $4000? Homework Help ✎

See the Math Notes box in Appendix B, Lesson B.1.3.

Take the log of both sides and then continue solving.