Applications of linear relationships

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Examples
Lessons
  1. A waffle is sold for $5 in a coffee shop.
    1. Write an equation relating the money that the coffee shop makes to the number of waffles they sell.
    2. Create a table of values.
    3. Graph the table of values.
  2. Find y.
    1. y=-x when x=13
    2. y=2x-10 when x=8
    3. y=-x+4 when x=12
  3. The cost of 120 boxes of cookies is $1,080. Each box is sold for $12.
    1. Write an equation for profit made in terms of number of boxes of cookies sold.
    2. Create a table of values.
    3. Graph the table of values.
    4. How many boxes of cookies are sold if the profit is $60?
    5. How many boxes of cookies need to be sold to break even?
    6. What is profit if the cookies are sold out?