Question 252921
I will assume exponential growth here with the following formula:
{{{A = p*e^(rt)}}}
from our given information, we have
{{{140 = 4*e^(.134t)}}}
divide by 4 to get
{{{35 = e^(.134t)}}}
take LN of both sides to get
{{{3.555348 = (.134t)}}}
divide by .134 to get
t ~ 26.532 days.