Question
In the figure, the ratio of the area of Circle Z to Circle A to Circle B is 3 : 7 : 10. If 13 of Z is shaded, what is the ratio of the shaded part to the unshaded part to the total figure?
2 m

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In the figure, the ratio of the area of Circle Z to Circle A to Circle B is 3 : 7 : 10. If 13 of Z is shaded, what is the ratio of the shaded part to the unshaded part to the total figure?