How do I figure this out?

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

Shirley spelled 12 of her 15 spelling words correctly on the test. what percentage did shirley get on the test?

Amovie theater owner determined that about 2 out of every 5 customers purchases popcorn. which simulation could be used to answer questions about customers purchasing popcorn?