6.A, B are both two-digit numbers. The tenth digit of A is 3, the unit digit of B is 5. The product of A and B+1 is 2016. What is the sum of 5A and 2B.
7.P and Q are used to make mixtures X and Y. P weights 24 pounds. Q weights 25 pounds. The proportion of P and Q in X is 4:1. The proportion of P and Q in Y is 1:5. What is the weight of X?