Question 364422
{{{V(n)=28000(1-15/100)^n}}}
{{{V(n)=28000(0.85)^n}}}
{{{V(7)=28000(0.85)^7}}}
{{{V(7)=28000(0.320577)}}}
{{{V(7)=8976}}}
The tractor is worth $8976.