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WASSCE
A faulty barometer reads 72.6 cmHg when the atmospheric pressure is 75.0cmHg. Calculate the atmospheric pressure when this barometer reads 72.0 cmHg.
A.
79.4 cmHg
B.
74.4 cmHg
C.
74.2 cmHg
D.
69.4 cmHg
Answer: B
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