Please help me solve this problem

Ineed with number 6 , explain how to get 1978

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.