sequence or application

  1. K

    Series and Sequence/Application (sum of a geometric series) - Supperannuation

    hi on the last question from my maths text book and i've gotten all previous questions right but this last one. 25. Jenny puts aside $20 at the end of each month for 3 years. How much will she have at the end of the 3 years if the investment earns 8.2% p.a., paid monthly? (p.a. means per...