You are trying to decide how to most efficiently use your oven. You do not want

Question

You are trying to decide how to most efficiently use your oven. You do not want the oven running at a high temperature when you are not baking, but you also do not want to waste a lot of time waiting for the oven to reach the desired baking temperature.

The instruction manual on the industrial oven suggests the oven temperature will increase by 45 degrees Fahrenheit per minute. When the oven is initially turned on, the temperature is 70 degrees Fahrenheit.


3. In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies.

Question:
a. Write an expression that illustrates the total cost of all baked goods in the scenario above using the variable s to represent the cost of scones, and the variable c to represent the cost of cookies. Simplify your expression by combining like terms.

Explanation / Answer

3. In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. Question: a. Write an expression that illustrates the total cost of all baked goods in the scenario above using the variable s to represent the cost of scones, and the variable c to represent the cost of cookies. Simplify your expression by combining like terms. T = Total cost C = cost for 1 cookie S = cost for 1 scone T = 2*12*S + 2*20*C + 1*10*(S+C) 2*12*S = 2 sheets of 12 scones each 2*20*C = 2 sheets of 20 cookies each 1*10*(S+C) = 1 sheet of 10 cookies and 10 scones next multiply out the coefficients and distribute the parenthesis T = 24S + 40C + 10S + 10C now combine like terms T = 34S + 50C

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