The answer is b because nothing changed when translating
When you're looking to simplify a fraction, the best thing to do is to find a common factor between the two numbers.
In this case, 10 is a common factor, so therefore, divide both sides by 10.
30/10= 3
40/10= 4
Therefore, the fraction in its simplest form is 3/4
Hope this helps
X is greater than or equal to 0
y is greater than or equal to 0