Someone help me please

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost