A Gas Sample Is Prepared in Which the Components Have

A gas sample is prepared in which the components have the following partial pressures: nitrogen,555 mmHg; oxygen,149 mmHg; water vapor,13 mmHg; argon,7 mmHg.What is the total pressure of this mixture?

A) 760 mmHg
B) 724 mmHg
C) 1480 mmHg
D) 386 mmHg
E) 614 mmHg