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Mathematics 8 Online
OpenStudy (anonymous):

Which of the following is a subset of the set A: {children between the ages of 3 and 7} A {children under 3} B {children over 7} C {children between the ages of 4 and 6} D {a 10 year old child}

OpenStudy (anonymous):

Ans is C. Because the children between the ages of 4 and 6 also meets the requirements of between the ages of 3 and 7. Thus it is a subset.

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