f is the future value.
p is the present value.
r is the inteest rate per time period (years in this case).
n is the number of time periods.
you have:
present value = 46500.
future value = what you want to find.
r = .06 per time period (use the rate, not the percent).
n = 2.5 time periods.
each time period is 1 year.