A group of children stood in three rows. The 1st row had 4w children. The 2nd row had 5w more children than the 1st row. The 3rd row had 4 less children than the 2nd row.
- Find the number of children in the 3rd row in terms of w. Give your answer in the simplest form.
- There were 41 children in the 3rd row. Find the value of w.