Melanie collects coins from all over the world. She is reorganizing her collection into coins from Europe and coins from other parts of the world. Six out of every ten of the coins in her collection come from Europe. Write an equation to determine the number of European coins, E, if Melanie has t total coins. Identify the constant of proportionality. Write an equation to determine the number of non-European coins, N, if Melanie has t total coins.
Identify the constant of proportionality.

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.

Which function has the same domain as y=2x

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?