Question 1210263
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In the formulation of this problem the word/(the term)  " gallon "  is used by  MISTAKE.


The correct formulation of the problem should use the term  " a container "  instead of  " gallon ".



For your information and education: one gallon of water weights  3.875  kilograms.



Math problem,  when formulated correctly,  should not create trouble/disturbance in the mind of a reader.