Question 409520
{{{R = 6*e^(12.77x)}}}
{{{25 = 6*e^(12.77x)}}}
{{{e^(12.77x) = 4.1667}}}
Take the natural log of both sides
{{{12.77x = ln(4.1667)}}}
{{{x =1.42711/12.77}}}
{{{x = .111755}}}