Francisco purchased x hot dogs and y hamburgers at a baseball game. he spent a total of $10. the equation below describes the relationship between the number of hot dogs and the number of hamburgers purchased.

3x + 4y = 10

the ordered pair (2, 1) is a solution of the equation. what does the solution (2, 1) represent?
select one:
hot dogs cost $2 each and hamburgers cost $1 each.
francisco spent $2 on hot dogs and $1 on hamburgers.
francisco purchased 2 hot dogs and 1 hamburger.
hamburgers cost 2 times as much as hot dogs.