Flash Jack went to the cash point.
He drew out the same amount of money as he had in his pocket.
He then spent pound;40 on new clothes.
Jack went back to the cash point.
He drew the same amount of money as he then had in his pocket. He then spent a further pound;40 on new clothes.
Jack did this a third time.
He then had no money left.
How much money did he have with him to start with?