Emerson is making a punch that contains 60% grape juice and the rest lemon lime soda. the punch has two liters of lemon lime soda. part a: write an equation using one variable that can be used to find the total number of liters of grape juice and lemon lime soda in the punch. define the variable used in the equation and solve the equation. part b: how many liters of grape juice are present in the punch? show your work.