Question 1099621
{{{P(t)=32500-2050n}}}
So find {{{t}}} when {{{P(t)=7900}}},
{{{32500-2050t=7900}}}
{{{-2050t=-24600}}}
{{{t=24600/2050}}}
Solve for t.
Then add t to 2003 to get the year.