Mathematics, 09.12.2020 21:00 nadiasifuentes15

A construção de cisternas (reservatório para armazenar água das chuvas) é uma das maneiras que alguns edifícios estão utilizando para minimizar o problema da falta de água em São Paulo. Considere a cisterna da figura a seguir: Sabendo que todas as seis paredes da cisterna foram construídas utilizando chapas de metal reciclado, no valor de R$ 24,80 o metro quadrado, e que não houve desperdício de material, o gasto para comprar todo o metal utilizado foi de, aproximadamente,

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A construção de cisternas (reservatório para armazenar água das chuvas) é uma das maneiras que algun...