Choose the expression that would equal the number of hours in the following question. if a car averages 50 1/3 miles per hour, how many hours will it take to go 47 1/2 miles?
583/6
285/302
302/285
45,602/6

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Having a hard time understanding this question (see attachment).

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?