standard_description: Represent a system of linear equations as a single matrix equation in a vector variable.
problem_activity: A store is having a sale to clear out merchandise. If you spend between $0 and $100, you can take 15% off of your total. If you spend over $100, you can take 25% off of your total.
Write an equation to represent your discounted total if you spend between $0 and $100.
Write an equation to represent your discounted total if you spend over $100.
Which graph best represents the situation?
[IMG]


aligns: no