If you want “the 7th, 8th, 9th, and 10th seats” you should say 7th thru 11th
You should say “7th to 11th”; “thru” (i.e. “through”) specifically implies inclusion of the right endpoint.
(Although unfortunately, “to” doesn’t likewise specifically imply exclusion.)
You should say “7th to 11th”; “thru” (i.e. “through”) specifically implies inclusion of the right endpoint.
(Although unfortunately, “to” doesn’t likewise specifically imply exclusion.)