 
<translate> Tụlee ajụjụ ahụ. Otu onye na-enye ikuku ọkụ nwere ike ime ka ikuku na-aga n'ụlọ ya ruo lita iri n'otu nkeji. Ọ bụrụ na onye ahụ na-enye ikuku ọkụ na-arụ ọrụ ruo minit iri kwa ụbọchị, gbakọọ ikuku ole ọ ga-eme ka ọ na-eku n'ime otu izu.  Gịnị bụ usoro ntụgharị uche nke nzọụkwụ site na nzọụkwụ iji ruo azịza ya: 42000? <eng> Consider the question. A fan can create an airflow of 10 liters per second. If the fan works for 10 minutes each day, calculate the amount of airflow it will create in one week.
 What is the step-by-step reasoning process to arrive at the answer: 42000? 