Find the equation of a line that passes through the point (2,4) and has a gradient of 3.
Leave your answer in the form y = mx + c

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.