In art class students are mixing black and white paint to make gray paint. Xochitl mixes 1 cup of black paint and 3 cups of white paint. Dominic mixes 4 cups of black paint and 3 cups of white paint. Whose gray paint will be lighter? Xochitl's gray paint will be lighter. Dominic's gray paint will be lighter. The two gray paints will be equally light.

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Analyze Xochitl's mixture: Analyze Xochitl's paint mixture. Xochitl mixes 1 cup of black paint with 3 cups of white paint. The ratio of black to white paint in Xochitl's mixture is 1:3.Analyze Dominic's mixture: Analyze Dominic's paint mixture. Dominic mixes 4 cups of black paint with 3 cups of white paint. The ratio of black to white paint in Dominic's mixture is 4:3.Compare ratios: Compare the ratios to determine which paint will be lighter. A lighter gray paint would have a lower ratio of black paint to white paint. Xochitl's ratio of black to white paint is 1:3, which means there is less black paint compared to white paint than in Dominic's mixture. Dominic's ratio of black to white paint is 4:3, which means there is more black paint compared to white paint than in Xochitl's mixture.Conclude lighter paint: Conclude which gray paint will be lighter. Since Xochitl's mixture has a lower proportion of black paint to white paint, her gray paint will be lighter than Dominic's.

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