Answered

Charlie envisioned that it would take him about one-third the time it would take Jared to get ready for breakfast in the mornings.
A.Charlie envisioned that it takes him about one-third the time it would take Jared to get ready for breakfast in the mornings.
B.Charlie envisions that it would take him about one-third the time it would take Jared to get ready for breakfast in the mornings.
C. no change