we have the formula

For T=2 seconds
substitute in the given formula
The answer is 50:45 because 50 red golf balls to 45 golf balls. If you do 45:50 than that's the other way around you have to answer it exactly as it says
I cannot see the file attached. Can you type it in.
She would have to walk 12+24 which is 36 but she only has to walk:
√12²+24² = 26.8
36-26.8=9.2
She saves 9.2 ft
Hope this helps :)