Question 472988
Let {{{a}}} = number of adults who must attend to raise $1,000
To raise $1,000,
{{{ 3*200  + 5a = 1000 }}}
{{{ 600 + 5a = 1000 }}}
{{{ 5a = 400 }}}
{{{ a = 80 }}}
At least 81 adults must attend to raise
more than $1,000