please help with all parts, will upvote!

A 295mL flask contains pure helium at a pressure of 754 torr. A second flask with a volume of 485mL contains pure argon at a pressure of 718 torr. If we connect the two flasks through a stopcock and we open the stopcock, what is the partial pressure of helium? Express the partial pressure in torr to three significant figures. If we connect the two flasks through a stopcock and we open the stopcock, what is the partial pressure of argon? Express the partial pressure in torr to three significant figures. Part C If we connect the two flasks through a stopcock and we open the stopcock. what is the total pressure? Express the total pressure in torr to three significant figures