 
 <translate> The second guinea pig eats 2 x 2 = 4 cups of food. The third guinea pig eats 4 + 3 = 7 cups of food. Therefore, Rollo needs a total of 2 + 4 + 7 = 13 cups of food for the guinea pig. So the final answer is 13. <hau> Gwanin guinea na biyu ya ci 2 x 2 = 4 kofuna na abinci. Dabbar guinea ta uku ta ci 4 + 3 = kofuna 7 na abinci. Saboda haka, Rollo yana buƙatar jimlar 2 + 4 + 7 = kofuna 13 na abinci don aladun guinea. Saboda haka amsar karshe ita ce 13. 