Maths question please help!!!!?

um .....ur ques was a bit tough dear ...!$!$! anyways ...let karl's score be x , then pat's score is 147 + x , and gwen's score is x/3 ( cuz gwen scored three times less) .....the equation s to x + (x+147) + x/3 = 336 ........the answer of x s to 81 ..so bst of luck for the equation !$!$!$