Answer:
153
Step-by-step explanation:
Calculate the area of each side first, then add it all up
Width x height = area of square/rectangle
1/2 x width x height = area of a traingle
7.50= (1 + x/100 ) × 5.50
7.50/ 5.50 = 1+x/100
x/100 = 0.36
x= 36.36%
the first one I guess