Respuesta :
20 + 30 + 40 + 50 = 140 -No
30 + 40 + 50 + 60 = 180 -No
40 + 50 + 60 + 70 = 220 -No
50 + 60 + 70 + 80 = 260 -No
60 + 70 + 80 + 90 = 300 -Yes
Your final answer:
K. 60
30 + 40 + 50 + 60 = 180 -No
40 + 50 + 60 + 70 = 220 -No
50 + 60 + 70 + 80 = 260 -No
60 + 70 + 80 + 90 = 300 -Yes
Your final answer:
K. 60