Desk 4 Christopher had $125 in his savings account
to buy a used car. He used the equation
A = 50w + 125 to determine the amount in
his savings, A, after depositing the same
amount in his account every week, W.
• What is the slope of the line?
• What does the slope represent in the
context of the problem?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.