Jonas is painting a mural at the local community center. He has completed two-fifths of the mural. If 200 feet of the mural are completed, how many feet are left to be painted?

If two-fifths of the mural is completed, then three-fifths of the mural is left to be painted.

To find out how many feet are left to be painted, we first determine the total length of the mural by dividing the completed length by two-fifths: 200 / (2/5) = 200 / (2/5) = 200 * (5/2) = 500 feet.
Therefore, the total length of the mural is 500 feet.
The feet left to be painted are three-fifths of the total length: (3/5) * 500 = 150 feet.
Therefore, there are 150 feet left to be painted.