Math Problem Statement
Una cuadrilla de 15 hombres se compromete a ejecutar en 14 días cierta obra. Al cabo de 9 días, solo han realizado 3/7 de la obra. ¿Cuántos hombres más tendrán que ser contratados para terminar la obra en el tiempo pactado?
Solution
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Math Problem Analysis
Mathematical Concepts
Work and Time Problems
Efficiency Calculation
Formulas
Efficiency formula: Work done / Time taken
Theorems
-
Suitable Grade Level
High School
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