Respuesta :
Let x = green pepper plants
2x = red pepper plants
2x + x = 12
3x = 12
x = 12/3
x = 4
2x = red pepper plants
2x + x = 12
3x = 12
x = 12/3
x = 4
24 green pepper plants because 12x2 equals 24 and it said twice as many so thats times 2