Mathematics, 24.01.2021 20:50, Amyra2003

All 210 students in a school went roller skating, to a water park, or both. The number of students who went only to the water park is four times the number of students who went only roller skating. The number of students who went only to the water park is two times the number of students who did both. How many students did both?

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All 210 students in a school went roller skating, to a water park, or both. The number of students w...