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Mathematics, 21.03.2020 22:59 diemiten

O êxodo rural também está relacionado com a falta de estrutura educacional nas escolas rurais, a qual faz com que crianças em idade escolar tenham de se deslocar diariamente para centros urbanos, a fim de dar continuidade a seus estudos. Essa falta também obriga que jovens migrem para os grandes centros acabando por não retornarem à vida rural. Suponha que um grupo de estudantes tenha que percorrer diariamente 33 km num micro-ônibus e que, devido a obstáculos e paradas para embarques e desembarques, esse percurso seja efetivado do seguinte modo: nos primeiros 15 minutos, ele percorre 5 km e, em cada quarto de hora seguinte, 250 m menos que antes. O tempo que ele leva para efetuar o percurso total é?

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