PLL HEL NOWWW At the baseball game, 4 hot dogs and 6 soft drinks cost $34, and 3 hot dogs and 3 soft drinks cost $21. Which system of equations below can be used to determine the price of a hot dog and the price of a soft drink?

(Let x represent the cost of a hot dog and y represent the cost of a soft drink.)
A.
7x + 9y = 55

B.
4x + 3y = 34
6x + 3y = 21

C.
4x + 6y = 34
3x + 3y = 21

D.
4x + 3x = 28
6y + 3y = 27