The star aldebaran, visible from earth, lies about 65 light years away from us. what is the minimum amount of time that would be required to send a message to aldebaran and revive a replay (assuming someone was there to revive it and respond)

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.

Anyone know? will mark brainliest if correct!

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?