A hand-held digital music player was marked down by 1/4 of the original price. what difference between the discount price and the price that the store paid for the digital player?

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.