Answer:
We can define a whole number as "a positive numbers, including zero, without any decimal or fractional parts".
We can define an integer number as "a whole number that can be positive, negative, or zero".
Finally, a rational number is "any number that can be expressed as the quotient or fraction of two integers".
In our list:
3 is a whole number because it's positive and doesn't have any decimal or fractional part.
-5 is an integrer because is a negativewhole number.
-2.4 is a rational number because it can be written as -24/10.
1 is a whole number because it's positive and doesn't have any decimal or fractional part.