Step-by-step explanation: What we have to do is figure out how many times the blue shades area goes into the total area. Horizontally, it would be 5/10 squares, or 1/2. Vertically, it is 5/50 squares, or 1/10. Multiplying 1/2 and 1/10 gives us 1/20, or 0.05 as your answer.
