Question

Ich sentence contains correct punctuation? In my county, the native plant society is forty-nine-years old. In my county, the native plant society is forty nine years old.

Answer 1

Neither is correct!

Step-by-step explanation:

You could write:

In my county, the native plant society is forty-nine years old. (double-word numbers - and words - are always hyphenated)

OR

You could write:

In my county, there is a forty-nine-year-old native plant society. (all hyphens between the words for numbers serving as adjectives)