If I have a problem that looks like this: 60= (.70)t What should I do to solve?
60 = .70 t Divide both sides by .7
60/.7 = t = 85.714
OR, if this is what you meant:
60 = .70^t Take the log of both sides
log60 = log(.70^t)
log60 = t log.70
t = log60/log.70 = -11.4792