I need help with the incorrect one. I thought it would be 0.25 but its not. I tried 0.75 as well but it is incorrect. Even 0.50 is incorrect

Rexdale Coffee Shop sells two basic blends: Ristretto and LattoLake. They use two types of coffee to produce the blends: Tontarica and Java. my = pounds of coffee 2' in blend 3' i = T, J (for Tontarica and Java respectively) j = R, L (for Ristretto and LattoLake respectively) For the following constraint, input the coefficients in the answer boxes below: Ristretto requires at most 25% Java. Enter a value between -1 and i in each answer box. if a decision variable is not being used in your formulation, input 0 for its coefficient