Age vs. Ages vs. Aged: When to Use Each | Merriam-Webster
https://www.merriam-webster.com/words-at-play/age-vs-ages-vs-aged-children-adjective
WebThe plural noun ages often works for the set of ages identified within a range: The camp is for children [who are of the] ages 6 through 12. In June the Food and Drug Administration approved the vaccine, distributed under the brand name Gardasil, for girls and women ages 9 to 26. — Apoorva Mandavilli, Discover, January 2007
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