Question 1094734
Let {{{ n }}} = number of usual priced tickets
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{{{ 5*50 + 7.5n = 500 }}}
{{{ 250 + 7.5n = 500 }}}
{{{ 7.5n = 250 }}}
{{{ n = 33.333 }}}
{{{ 33 }}} usual price tickets is not quite enough
They need to sell at least {{{ 50 + 34 = 84 }}} tickets total