or kenny’s class is having a holiday party, and he is in charge of bringing juice. he decides to bring powdered juice mix and add water to it at school. there is a proportional relationship between the volume of water kenny uses to make the juice (in liters), x, and the number of scoops of juice mix he uses, y. x (liters) y (scoops) 5 10 6 12 7 14 8 16 what is the constant of proportionality? write your answer as a whole number or decimal.