Does the noun total take a singular or plural verb?
Collective nouns such as total, number and range can be troublesome in terms of subject-verb agreement. Whether these nouns take a singular or plural verb often depends on the article that comes before them. When they are preceded by the indefinite article a, they are usually treated as plural, and when they are preceded by the definite article the, they are generally treated as singular.
Verb agreement with total:
Verb agreement with number:
Verb agreement with range:
If you remember the tip about a and the, you shouldn't have any trouble handling subject-verb agreement.