Lin notices that the number of cups of red paint is always 25 of the total number of cups. She writes the equation r=25t to describe the relationship. Use the sentence stem below to determine which is the independent variable and which is the dependent variable. Explain how you know.
For the equation r=25t, r is the _dependent variable and t is the ___independent variable because
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White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.