Example (Less than or equal to)
Smart Watch Sale
Let's say you wish to buy this smart watch because of all its smart features. You have a budget of only $150.
Let the price in dollars ($) of the smart watch below be represented by the letter p.
What are the possible values of p if you are able to afford to buy it?
If the watch costs exactly $150, you still can afford to buy it. If it costs $149 or less you will be more than happy to purchase it !
We say p can be less than or equal to 150 !
The solution for p is