Answer:
36.50
Step-by-step explanation:
Do 589.00-552.50 to get her current acc balance. So you get 36.50. That means she cannot buy all the books
Deena has included the discount on the wrong side of the equation.
20
Constant in a mathematical expression is a term whose value never changes.
The terms with x and y will vary based on the variable x and or y.
