You are correct Niraj.
One in 5 Americans is singular.
But when you introduce a relative pronoun who/that, then it will take the verb of the nearest antecedent.
e.g.
One in 5 Americans works shorter hours and saves time...
One in 5 Americans who work shorter hours and save time
Hope this helps.
One in 5 Americans is singular.
But when you introduce a relative pronoun who/that, then it will take the verb of the nearest antecedent.
e.g.
One in 5 Americans works shorter hours and saves time...
One in 5 Americans who work shorter hours and save time
Hope this helps.












