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Mathematics 11 Online
OpenStudy (anonymous):

Jean surveyed 25% of all the eighth graders and 75% of all the seventh graders at her school. Keisha surveyed 50% of all the eighth graders and 50% of all the seventh graders at the same school. Jean surveyed a total of 152 students. Keisha surveyed a total of 144 students. What is the number of eighth graders at Jean and Keisha’s school? 110 128 160 186

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