Question

Describe a real life situation that can be represented as a system of inequalities.

Answer 1

Grapes are $3/pound. I have $30 to spend on grapes for the party. I know that if I buy less than 5 pounds I will not have enough? How much can I buy? x = the pounds

Answer 2

John is two times older than Mike. But in the same time Mike is just 6 years younger then John. What is John's and Mike's age?

Here $x$ represents John's age and $y$ represents Mike's.
$\left \{ {{x=2y} \atop {x-6=y}} \right.$