Ratio of ages of P and Q is 3 : 5. Age of S and T together is 20 years more than the thrice of age of R. Q’s age after 8 years will be 43 years. Thrice the age of Q is equal to seven times the age of R and sum of ages of Q, R and S is 95 years. What is the sum of age of P after 11 years and age of T before 9 years?