Respuesta :
Let's represent the number of sodas with 's' and the number of hot dogs with 'd':
s = 2d
s + d = 123
2d + d = 123
3d = 123
divide:
d = 41
123 - 41 = 82
The vender sold 41 hot dogs and 82 sodas
123 Times 2 Then Whatever You Get To That You Gotta To Divide It