how to find rate and time in compound interest?
['Calculate Accrued Amount (Principal + Interest) A = P(1 + r)t', 'Calculate Principal Amount, solve for P. P = A / (1 + r)t', 'Calculate rate of interest in decimal, solve for r. r = (A/P)1/t - 1.', 'Calculate rate of interest in percent. ... ', 'Calculate time, solve for t.']