I think it is the 4th one, Not 100% sure.
Based on the given sentence above, the number of independent and subordinate clauses would be <span>one subordinate clause only. The given group of words above only consists of a subordinate clause and does not convey a complete thought, even though the clause still have a subject and a verb. Hope this answer helps. </span>
Answer:
i think the answer is 3 hours and 10 minutes
Explanation:
hope this helps :)