Well First you multiply 67 kg, which is how much parker weighs, by 30. 30ml/kg means that there is 30ml for ever 1 kg and parker weighs 67. So Parker needs 2010 ml of fluid and the last thing you need to do is convert 2010 ml into cups. 1ml =.00423 cups. So you multiply 2010 by .00423 and you'd have you're answer.
8.5