Respuesta :
4.05p + 14.40 = 4.5(p + 3)
4.05p + 14.40 = 4.5p + 13.5
14.40 - 13.5 = 4.5p - 4.05p
0.90 = 0.45p
0.90 / 0.45 = p
2 = p
4.05p + 14.40 = 4.5p + 13.5
14.40 - 13.5 = 4.5p - 4.05p
0.90 = 0.45p
0.90 / 0.45 = p
2 = p