 
 <translate> Jon decides to take up baseball. He can throw a fastball at 80 miles per hour.  He goes through intense training 4 times for 4 weeks each time and at the end of the last one he can throw a ball 20% faster. How much speed (in mph) did he gain per week, assuming he gained an equal amount of speed (in mph) each week? Give me reasons, before answering the question <ibo> Jon kpebiri ịkụ bezbọl. Ọ pụrụ ịtụ bọl ọsọ ọsọ na 80 kilomita n'otu awa. Ọ na-aga ọzụzụ kpụ ọkụ n'ọnụ ugboro 4 maka izu 4 oge ọ bụla na na njedebe nke ikpeazụ ọ nwere ike ịtụ bọọlụ 20% ngwa ngwa. Ego ole ka ọ na-agba n'izu, ma ọ bụrụ na ọ na-agba otu ihe ahụ kwa izu? Nye m ihe kpatara ya, tupu ị zaa ajụjụ a 