 
<translate> Ụmụ ahụhụ ahụ riri ọtụtụ osisi nke mere na e nwere 30 - 20 = 10 fọdụrụ. Ha ka juru afọ ma rie ọkara, na-ahapụ 10 / 2 = 5 osisi fọdụrụ. Ka oge na-aga, ụmụ ahụhụ riri naanị otu ọzọ nke hapụrụ 5 - 1 = 4 osisi n'ubi ahụ. Azịza ikpeazụ ya bụ: 4. <eng> The bugs ate enough plants for there to be 30 - 20 = 10 left. They were still full and only ate half, leaving 10 / 2 = 5 plants left. Later on, the bugs only ate 1 more which left 5 - 1 = 4 plants in the garden. The final answer: 4. 