Lets solve a few continuously compounded interest problems. I would choose option 1. You can divide both sides by 100.
A savings fund is opened with 2750.
The Rule of 72 is another way to make estimates about compound interest quickly. Ifwearesolvingforthetimetthenwewillneedtouselogarithms becausethecompoundinterestformulaisanexponentialequationandsolvingexponentialequations with differentbasesrequirestheuseoflogarithms. A savings fund is opened with 2750. Where A is the ending amount P is the beginning amount or principal r is the interest rate expressed as a decimal n is the number of compoundings a year and t is the total number of years.