 
 <translate> Explain simply why 225 is the correct answer to: A typical tournament of tennis has 4 rounds. There are 8 games in the first round, 4 in the second round, 2 in the third round and 1 during the finals. If each game requires new tennis balls, and on average each game uses 5 cans of tennis balls, how many tennis balls in total are used at the end of the tournament if each can has 3 tennis balls?. Explanation: <ibo> Kọwaa n'ụzọ dị mfe ihe mere 225 ji bụrụ azịza ziri ezi nye: Egwuregwu tennis nke a na-emebu nwere agba anọ. E nwere egwuregwu 8 na agba nke mbụ, 4 na agba nke abụọ, 2 na agba nke atọ na 1 n'oge agba nke ikpeazụ. Ọ bụrụ na egwuregwu ọ bụla chọrọ bọọlụ tenis ọhụrụ, na nkezi egwuregwu ọ bụla na-eji ite bọọlụ tenis ise, kedụ bọọlụ tenis ole a na-eji eme ihe na ngwụcha asọmpi ahụ ma ọ bụrụ na ite ọ bụla nwere bọọlụ tenis atọ? Nkọwa: 