Answer:
90%
Step-by-step explanation:
I hope this helps!
% itself means out of 100 so yea:
18/20 times 100
1800/20
90/100
Another way u could do is just multiply a number that would make 20 into 100, so:
(18/20)5/5
90/100 = 90%
It would be 15,00 overpriced
1. Exponential
2. Linear
3. Exponential