You would put x over a hundred because you don't know what percent it is then you would put 180 over 240 because the other part of the prapotion is is over of. then you would cross multiply and get 7.5
The inverse function of the given function is 
<h3>What is the inverse of a function?</h3>
A function g is the inverse of a function f, if and only if the values of y= f(x), x = g(y).
From the formula given:

Let's substitute x with y;


Solve for y;

Learn more about solving inverse functions here:
brainly.com/question/3831584
#SPJ1
A. 5-1+6-1=9
b. His score is over par by 9 because 5-1+6-1=9.
c. Yes he beat it because he is only 9 over par.
Answer: The simplest form of ratio 6:15=2×3:5×3=2:5
Step-by-step explanation: So, 2:5 is equivalent to 6:15.