In total Lt. Bartlett spent 4.5 hours exercising. He spent a total of 1 hour sprinting so you would divide 1 by 4.5 to get .222 repeated hours which could be rounded to .22 I hope this helps, I’m not the best at explaining things.
The pattern will be the Square because when you extend the pattern given the shapes, T C S T C S T C S T C S T C S, the 15th shape would indeed be the square.