Singular and Plural : All fares includes a $100 fuel surcharge....
i was doing some TOEIC quizzes this morning, and i found this sentence:
NOTE: All fares includes a $100 fuel surcharge and a $50 Miami Airport maintenance charge.

why [includes] ?
isn't [all fares] Plural ?

Question

Singular and Plural : All fares includes a $100 fuel surcharge....
i was doing some TOEIC quizzes this morning, and i found this sentence:
NOTE: All fares includes a $100 fuel surcharge and a $50 Miami Airport maintenance charge.

why [includes] ?
isn't [all fares] Plural ?

Answer

You are correct. 'Includes' should be in the singular form. "All fares include...'