No, it isn't!
first, the discount is 20 percent of 18 dollars, that is 18/5=3.6
this means that during the first week the prize is 18-3.6=14.4
now, the prize is marked up 20 % of 14.4! this is 2.88
so the prize later will be 14.4+2.88, that is 17.28, not 18
what is relevant here is what a number is a percent OF
A rational number can be represented in a ratio of a/b.
Therefore, 5.3 would be a rational number in between 5.2 and 5.5, as it can be represented as 53/10.
Hope that helps!
Answer:
2π radians
Step-by-step explanation:
The independent variable (x) is the domain