Respuesta :

gavinmsepe

Answer:

S = 240

Step-by-step explanation:

CzechRepublic

Answer: 240

Work: You set up 12x20 vertically to do it easily. Since 0 times 2 and 0 times 1 is 0, the first line is 00. Then, for the second line, you add another 0, and you do 2 x 2 and 2 x 1, and you get 240. So, S = 240