Use the given values to find k. We are told that 250 cubic centimeters of snow will melt to 28 cubic centimeters of water. Substitute 28 for W and 250 for S in the direct variation equation. Then solve for k. W = kS Volume of water varies directly as volume of melting snow. 28 = k(250) 250 cubic centimeters of snow melt to 28 cubic centimeters of water. 28 k(250) Divide both sides by 250. 250 250 0.112 = k Simplify.

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