The probability that a certain make of car will need repairs in the first eight months is 0.7. A dealer sells three such cars. What is the probability that at least one of them will require repairs in the first eight months?

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.