numbers - The problem is threefold?



The problems are threefold.
The problem is threefold.



Which is the right way to use the -fold suffix?




Note - This question was previously asked by a user whose account has been suspended, so the question was auto-deleted. I'm re-posting now it because I think this is a valid question.




Comments

Popular posts from this blog

etymology - Origin of "s--t eating grin"

etymology - Since when has "a hot minute" meant a long time?

etymology - Why "silver-tongued" for someone who is convincing?

usage - "there doesn't seem" vs. "there don't seem"

etymology - Origin of "queer as a clockwork orange"

First floor vs ground floor, usage origin

meaning - What is meant by "don't piss on my boots and tell me it's raining"?