It is taller by 7 ft and 3 inches
You can first convert both values to inches and then subtract. Finally convert them back to ft and inches
Answer:

The sear tower is
times higher than the sears tower model
Step-by-step explanation:
we know that
The ratio of the height of the model to the height of the actual sears tower is equal to the scale factor
Let
z------> the scale factor
x-------> the height of the model
y-------> the height of the actual
so

we have


substitute

simplify

Remember that

so

Answer:
The answer in lowest terms is 15/17
Step-by-step explanation:
Hope that helps!