Mathematics, 02.02.2020 20:47 siicklmods4295

Of 28 students taking at least one subject, the number taking math and english but not history equals the number taking math but not history or english. no student takes english only or history only, and six students take math and history but not english. the number taking english and history but not math is 5 times the number taking all three subjects. if the number taking all three subjects is even and non-zero, the number taking english and math but not history is

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