Mathematics, 07.12.2019 05:31 nmadrigal
Mrs. brown has 15 children in her first-grade class, and mr. lopez has 20 children in his second-grade class. the principal has been asked to select 1 student from one of the classes to appear at a pta meeting. how many ways can the selection be made?
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Mrs. brown has 15 children in her first-grade class, and mr. lopez has 20 children in his second-gra...
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