I cannot see it all is their something you could do to help me help you?
190mph
I used speed calculator with advanced mode
HTTP://www.omnicalculator.com/everyday-life/speed
Answer:
4 tiles are added to each figure in the tile pattern.
CALCULATE 5/8 + 3 1/4 x -3/6 - 2 5/12 = -3 5/12