Write a system of equations to describe the situation below, solve using any method, and fill in the blanks. Pedro is an airline attendant. Last week, he worked on flights on 4 small jets and 3 large jets, which could seat a total of 418 passengers. The week before, he was assigned to flights on 5 small jets and 3 large jets, which could seat a total of 464 passengers. How many seats were on each type of flight?

The flights on small jets each had seats, and the flights on large jets each had
seats.