Mathematics, 16.08.2021 19:10 deanlmartin

El jefe de obra en una construcción necesita cercar el terreno donde van a edificar. Sus hombres el primer día cierran los 3/7 del perímetro, el segundo día, los 2/5 de la parte aún pendiente y el tercer día 1/4 de la quedaría todavía. Teniendo en cuenta que tienen que cercar un total de 2 275 metros, (a) ¿Cuántos metros les quedan aún pendientes para concluir su tarea al acabar el segundo día?

(b) ¿Y al acabar el tercer día?

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El jefe de obra en una construcción necesita cercar el terreno donde van a edificar. Sus hombres el...

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