Complex sentence: With Hank now even more upset with Bobby's home-ec endeavors, Bobby humbly seeks help from his teacher, who teaches him how to sew an entirely new pair from a bolt of denim, using the old jeans as a pattern.
Split into simpler sentences: With Hank now even more upset with Bobby's home ec endeavors, Bobby humbly seeks help from his teacher. Later, he procures a new pair of jeans-sewn entirely by Bobby from a bolt of denim, using the old jeans as a pattern.