Answer:
lol i remember answering this question
Step-by-step explanation:
<h2>MARK ME BRAINLIEST PLZZZZZZZZZZZZZZZZZZZZZZ</h2>
The sum of four times a number and the quotient of the number and five subtracted by one:
4x+(x/5)-1
Sum means the answer to an addition problem.
Quotient means the answer to a division problem.
<h3>Given that it is arithmetic</h3>


The number u looking for is 28
All of those numbers are rational, except the square root of 12.