https://pad.let.com/darkss222/amongus
(delete the dot in pad.let)
when you join you will have a blast.. litteraly..
If you take the original amount 45 and subtract the admission fee 17 you get what is left over which would be 28 dollars. Good Luck and I hope that this helps!!
F(x)=x-5
f(4)=x-5
f(4)=4-5
f(4)=-1
The answer is 8.33333333 I believe
Percent markup=amountmarkedup/original times 100
amountmarkedup=25-13.5.5=11.5
original=13.5
percent markup=11.5/13.5 times 100=0.85 times 100=85% markup