An elementary school teacher learned that 40 percent of school age children have at least 3 cavities.The teacher has 30 students in his class.How many students would he expect in his class to have at least three cavities?

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The Answer of An elementary school teacher learned that 40 percent of school age children have at least 3 cavities.The teacher has 30 students in his class.How many students would he expect in his class to have at least three cavities?

An Elementary School Teacher Learned That 40 Percent of School