Question 1158245
Let {{{ x }}} = his score for the 3rd game
{{{ ( 225 + 189 + x ) / 3 = 200 }}}
{{{ ( 414 + x ) / 3 = 200 }}}
{{{ 414 + x = 600 }}}
{{{ x = 186 }}}
Tim must score at least 186 in order
to average 200 for the 3 games