Sara follows these two steps to prepare a roast: 1. Preheat the oven for 10 minutes.
2. Place roast in oven and cook for 20 minutes per pound.
Last week, it took a total of 90 minutes for Sara to prepare a roast.
Part A
Write an equation that can be used to determine the weight, in pounds, of the roast Sara prepared. Be sure to define the variable in your
equation
Define the variable
Equation

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

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