Solve for both x and y

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

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers