 
 <translate> Question. John decided to start rowing around a square lake. Each side of the lake is 15 miles. Jake can row at twice the speed he can swim. It takes him 20 minutes to swim 1 mile. How long, in hours, does it take to row the lake?
Answer. 10
What step-by-step reasoning justifies that answer? <ibo> Ajụjụ. John kpebiri ịmalite ịkwọ ụgbọ epeepe gburugburu ọdọ mmiri nwere akụkụ anọ. Ọdọ mmiri ahụ dị kilomita iri na ise n'akụkụ nke ọ bụla. Jake pụrụ ịkwọ ụgbọ mmiri na-agba ọsọ okpukpu abụọ karịa ka ọ pụrụ igwu. Ọ na-ewe ya nkeji iri abụọ tupu ya eruo otu kilomita. Awa ole ka ọ na-ewe iji kwọrọ ụgbọ epeepe gafee ọdọ mmiri ahụ? Zaa ya. Iri Olee ihe e kwuru nke na-egosi na azịza ya bụ eziokwu? 