Mr. Kee hands out pencils at the beginning of the year to his class of 28 students. Pencils come in boxes of 10. Each student gets 1 pencil. Mr. Kee keeps any pencils that are left over. How many boxes of pencil does Mr. Kee open? How many does he keep?

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

For how answer my question this will be the last question can you answer in math subject

Through non-collinear points there is exactly one plane.