30a^2b^4 GCF = 2
24ab^3 GCF = 3
The heck, what math are you in?
Answer:
240
I think I'm not sure but try
10 will be your answer because 4 x 5 divided by 2 is 10
We will have to use proportions:

Cross multiplying we get

Now divide:

Solve to tenths place we get

The woman casts a 36.6 ft long shadow.