Cost of a hat bought by Marcel = 
Cost of a pair of socks = 
Cost of 2 pair of socks =
= 
Total price of hat and two pair of socks = 
A sales tax of 
on this purchase = 
=
= 
2.25
Therefore, the total price including the sales tax = 
=
Rational numbers are real numbers that can be represented as a quotient of two integers
<u>Format</u>
A rational number is represented as: a/b
Where a and b are integers
<u>Examples</u>
- The examples of rational numbers are countless.
- However, the following numbers are rational numbers: 1/2, 3/4, -2/5, 0.3, and so on
Read more about rational numbers at:
brainly.com/question/12088221
This is proportional since rearranging it would get x/y = 2, which is an example of direct proportionality.
