If anyone answers correctly I'll give brainliest

B, the second answer.

Step-by-step explanation:

If you count all of the boxes you will see there are 16 so that will be your denominator and then count the shaded blocks and that is you numerator.

So it would look like 5/16 and then convert it into a percent to be 31.25%

Hope this helps :)

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this