Answer:
The area of the black square is equal to the sum of the areas of the gray squares.
Not sure of my answer but, velocity=delta d/delta t. t=delta d/ velocity
—> t=(13-3)/15=>10/15=2/3s
36 + 18 = 54
(1) 18/54 = 1/3 = 33%
43 + 24 = 67
(2) 24/67 = 36%
I hope these are right
10 is the stubstitution for 5 q, since 2 plus 5 equals 7. What is 10 divided by 5?