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Biology, 14.02.2020 15:19 lovethenae12

Suponha que 3 pessoas morem em uma casa de 5 comôdos, cada um deles iluminado por uma lampada incandescente de 60w. Um desses moradores utiliza o carro para ir ao trabalho, que gera custo de manutençao de R$2.500,00 ao ano, somente com gastos de combustivel
Qual seria a economia para essa familia, em um ano, se todas as lampadas fossem trocadas por lampadas economicas de 15w e o carro fosse deixado na garagem e o dono utilizasse onibus
Dados: custo de 1 lampada fluorescente: R$8,00
Economia de lampada fluorescente :R$2,00
Economia de uso de onibus em relaçao ao carro:80%

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