.0075 is simplest... or .0075/1 if it needs to be a fraction i guess
For this case we have the following function:

We change the variables:

From here, we clear the value of y.

Then, we make the following change:

Finally, the inverse function is:

Answer:
The inverse of the given relation is:

You need to use percentage I would help but I can’t because of I’m bad at percentages
Answer:
x = 80
Step-by-step explanation:
x + 30 = 110 (opposite sides are congruent/equal)
x = 110 - 30 (subtract the 30 from both sides to get X by itself)
x = 80 (simplify)