20 points margaret earns $15.25 an hour working at a record store and is paid every week. she takes $50 from each paycheck and puts it in her savings account. she spends the remainder of her paycheck.

part a: identity the variables y, m, x, and b in the given situation. explain each variable.

part b: write the linear equation that represents the given situation z

part c: explain how the equation from part b can be used in relation to the given situation.