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Mathematics, 13.04.2021 17:40 jm482931

PS 004 Elementary School has students in three grades. · In Grade 3 there are 120 students. In Grade 4 there are 20 fewer students than there are in Grade 3. In Grade 5 there are 3 times as many students as there are in Grade 4. What is the total number of students in all three grades?​

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