Question 1073658
{{{p=14.7e^(-0.21x)}}}

{{{ln(p)=ln(14.7)-0.21x*ln(e)}}}

{{{ln(p)-ln(14.7)=-0.21x}}}

{{{0.21x=ln(14.7)-ln(p)}}}

{{{x=(ln(14.7/p))/0.21}}}


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p=4.6, find x.


{{{x=(1/0.21)ln(14.7/4.6)}}}


5.5 miles