What is the sharing of ideas and experimental findings with others through writing and speeking is called

Communication is the sharing of ideas and findings through writing and speaking, because you can process your experiment and collect data all you want, but until you share it with others and compare it with others, than is essentially useless. Open dialogue, open communications is where our ideas and findings really take form and become something worth while and productive to others.

You would do 1500/4 and the answer is 375