A concession stand sells hamburgers (h) for $2 and hotdogs (d) for $1. On Friday night they sold a total of 300 hamburgers and hotdogs and made $420. How many of each did they sell?

Which system of equations matches the situation?
Responses
A. {h+d=300
2h+d=420
B. {h+d=420
2h+d=200
C. {h+d=300
h+2d=420
D. {h+d=720
2h+d= 300