You can put this solution on YOUR website!
I'm assuming the 't' is part of the exponent... if not, write back.
2500=4e^(58t)
divide both sides by 4:
625 = e^(58t)
take the natural log (ln) of both sides:
ln(625) = 58t
divide both sides by 58:
ln(625)/58 = t
.111 =t
