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OpenStudy (anonymous):
A water tank has a mass of 2.43 kg when it is empty, and a mass of 54.2 kg when it is filled to a certain level. What is the mass of the water contained in the tank at this level? a. 51.8 kg c. 56.6 kg b. 54.2 kg d. 59.1 kg
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OpenStudy (roadjester):
why isn't it just a subtraction?
OpenStudy (mrnood):
@roadjester maybe someone just want the answer given to them?
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