Base on the data you have given and with my calculation, i think the best value for Delta X and Dy is delta x = 2 and the DY = 1/2.I hope you are satisfied with my answer and feel free to ask for more if you have more clarifications and further questions
<span>Oceanography the others are other studies
</span>
You can tell that a fraction is a unit fraction when it is over a unit of one. This is also known as unit rate.