Irene R. answered 01/04/21
BS in Mechanical Engineering and Certified math teacher for 13 years
Hi Zaniya,
This text, "a number x is at most 3" means that a number can not be more than 3. In other words, any number less than or equal to 3 is acceptable here.
Using symbols and x to represent any number, you would write: x ≤ 3