document.write( "Question 1202301: The mass of a substance varies directly as the volume of the substance. If the mass of 7 liters of the substance is 42 kilograms, what will be the volume in liters of 63 kilograms of the substance? \n" ); document.write( "
Algebra.Com's Answer #837023 by josgarithmetic(39617)\"\" \"About 
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Density is being taken as a constant. \n" ); document.write( "
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