Problemas de proporcion calidad inversa
a)calcular el numero de obreros que se necesita...
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Mathematics, 14.11.2019 05:31 jordanjones022
Problemas de proporcion calidad inversa
a)calcular el numero de obreros que se necesitan para hacer una obra en 14 dias, sabiendo que 26 obreros emplean 21 días hacerla.
b) 8hombres han cavado una zanja de 50m en 20 días ¿en cuanto tiempo la cabarian sin 2 hombres menos?
c) 7 llaves de agua llenan un estanque en 65 horas ¿cuanto tiempo emplearan en llenar el estanque 5 llaves únicamente?
ayuda por favor ; -;
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Answers: 1
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