 
<translate> Kwuo otú e si atụgharị uche n'isiokwu ahụ, kọwaa nke ọ bụla n'ime ha, ma kwuo ihe bụ azịza ya. Heath ji ngwụsị izu ya nyere nwanne nna ya aka n'ugbo ya na-akụ karọt. O kụrụ narị karọt anọ n'ahịrị, nke ọ bụla n'ime ha nwere narị osisi atọ. O ji ígwè ọrụ kụọ osisi ahụ, o wekwara ya awa iri abụọ. Mkpụrụ osisi ole ka ọ kụrụ n'otu awa? <eng> Give the step-by-step reasoning process and then the final answer. Heath spent his weekend helping at his uncle’s farm planting carrots. He planted 400 rows of carrots with 300 plants in each row. He used a machine to get the planting done and it took him 20 hours. How many carrots did he plant each hour? 