Answer:
it would be 10
Step-by-step explanation:
-100+10=-90
A
Step-by-step explanation:
Similar means same shape they don't have to be the same size
Scale of the model = 3.5 / 10.5 = 1/3
so the length of the model = 1/3 * 12 = 5 feet
Area of the scale model = 4 * 3.5 = 14 sq ft
