Mathematics, 12.08.2019 17:30 zachtheskier3896

In a certain region, the number of children who have been vaccinated against rubella is twice the number who have been vaccinated against mumps. the number who have been vaccinated against both is twice the number who have been vaccinated only against mumps. if 5,000 have been vaccinated against both, how many have been vaccinated only against rubella?

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In a certain region, the number of children who have been vaccinated against rubella is twice the nu...