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18.02.2021 •
Mathematics
06. Diante da seca incomum em todo o pais e em
razão de problemas estruturais de variadas ordens, o
Brasil vive um novo risco de crise energética e falta de
água em 2014. O racionamento de água em algumas
cidades brasileiras já é uma realidade. Em algumas
ações feitas em casa, cotidianamente, desperdiçamos
água, muitas vezes, sem percebermos. Observe três
ações simples do nosso dia e o quanto gastamos de
água em cada uma delas:
- Uma torneira, pingando um dia todo: 46 litros (L).
- Um banho de 10 minutos (min): 110 000 mililitros
(mL). - Escovar os dentes deixando a torneira aberta:
120 decilitros (dL).
Considerando que uma pessoa tome dois banhos por
dia, de 10 minutos (min) cada, que escove os dentes
três vezes por dia deixando a torneira aberta e que
haja uma torneira pingando o dia todo em sua casa,
quanto essa pessoa gastará de água, em litros (L),
em uma semana? Considere a totalidade de dias da
semana.
a) 168 litros
b) 302 litros
c) 626 litros
d) 1176 litros
e) 2 114 litros
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Ответ:
not right now but later
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