Answer:
1,061.64
Step-by-step explanation:
Im sorry if this is wrong
To find an inverse function:
1. Write the function.
2. Replace f(x) with y.
3. Switch x and y.
4. Solve for y.
5. Replace y with

Now let's follow the steps above and do it.
1. f(x) = 4x
2. y = 4x
3. x = 4y
4. y = x/4
5.
Whats the largest number that divides evenly into both numbers? 4
12.5 refills
See work in attached picture