BIG pet peeve! It's not nacho's it's nachos. It's not our's or your's it's ours and yours. "Ours/yours/his/hers/" are already possessive pronouns, so they do NOT need an apostrophe. And, unless your "nacho" owns something, it does not need an apostrophe - it only needs an "S" at the end to make it plural!!! Rant over.
FREE! ~ This grammar mini lesson pack covers nouns, singular and plural nouns, the verb “be”, pronouns, adjectives, and adverbs. This is a sample taken from my grammar bundle. The complete grammar pack can be found at: https://www.teacherspayteachers.com/Product/Grammar-2118159