A vacuum of 712 mm was obtained with the barometer reading 753 mm of mercury. The corrected vacuum to a standard barometer of 760 would be

A vacuum of 712 mm was obtained with the barometer reading 753 mm of m

1.	A vacuum of 712 mm was obtained with the barometer reading 753 mm of mercury. The corrected vacuum to a standard barometer of 760 would be
A.	719 mm Hg
B.	753 mm Hg
C.	706 mm Hg
D.	760 mm Hg
E.	712 mm Hg
Answer» B.