First multiply them out to improper fractions 1 3/5 changes into 8/5 and 1 2/5 changes into 7/5 multiply them out and you should get 2 6/25.
Divide 5/6 and then divide 6/7 and then pick a fraction in between that range
Answer:
D. The volume of square based pyramid is 1280 
Step-by-step explanation:
Given:- A square base pyramid of,
Base edge (b) =16 inches.
Height (h)= 15 inches.
To find:- Volume of the square bases pyramid=?
Solution:-
As the given pyramid is a square based pyramid, therefore the formula to find the volume for square based pyramid is,
Volume of square based pyramid = 
where, b is the base edge and h is the height of the pyramid.
Volume of square based pyramid = 
Volume of square based pyramid = 
Volume of square based pyramid = 
Volume of square based pyramid = 1280 
Therefore the volume of square based pyramid is 1280 