Here you go, hope this kinda helps you out :)
Bother rectangles could be divided into 8 parts.
G-(-43)=19
g+43=19
g=19-43
g=-24
B.
51 ft is the answer
Explanation
The hight of the man divided by the hight of school ( which is unknown )
Equal
The length of the shadow of the man divided by the shadow of the school
Cross multiplication and find the value of unknown x which is 51... and ya
5 = 50
8 = 80
because:
20:2= 10 so 1 shirt will collect 10