nirals1

Is there a rule for 'One in 5 people' What would the answer to this question be. Appreciate your help 1) One in five Americans who work shorter hours at their job in order to provide care for an elderly relative save society millions of dollars that would ordinarily be required for nursing homes or other long care facilities. A) One in five Americans who work shorter hours at their job in order to provide care for an elderly relative save B) One in five Americans working shorter hours at their jobs in order to provide care for an elderly relative saves C) The one in five Americans who work shorter hours at a job in order to provide care for an elderly relative saves D) Those Americans, approximately one-fifth of all employs, who work shorter hours at a job in order to care for an elderly relative save Should it be 'save' or 'saves' here? thx