In Fig. P2.33 pipe A contains gasoline (SG = 0.7), pipe B contains oil (SG = 0.9), and t...

In Fig. P2.33 pipe A contains gasoline (SG = 0.7), pipe B contains oil (SG = 0.9), and the manometer fluid is mercury. Determine the new differential reading if the pressure in pipe A is decreased 25 kPa, and the pressure in pipe B remains constant. The initial differential reading is 0.30 m as shown.