Question 1042281
{{{ 35*75 - 225 = 2625 - 225 }}}
{{{ 2625 - 225 = 2400 }}}
They make $2,400 on thursday
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{{{ 2*2400 = 4800 }}}
Let {{{ n }}} = number of rooms they 
would have to rent the next day
{{{ n*75 - 225 = 4800 }}}
{{{ 75n = 5025 }}}
{{{ n = 67 }}}
They would have to rent 67 rooms the next day