Finding present value (PV) involving variable interest rates.
Problem #8 from Chapter 4 Review Exercises in Business Math: A Step-by-Step Handbook (Seneca College version).
Problem #8 from Chapter 9 Review Exercises in Business Math: A Step-by-Step Handbook (Lyryx version 2021-B).
Finding the time it takes an investment to reach a certain amount.
Problem #13 from Chapter 4 Review Exercises in Business Math: A Step-by-Step Handbook (Seneca College version).
Problem #13 from Chapter 9 Review Exercises in Business Math: A Step-by-Step Handbook (Lyryx version 2021-B).
10 Simple and Compound Interest Problems Solved Using Algebra.
6 Compound Interest Problems Solved Using a Spreadsheet.