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Algebra
Pregunta

\(10 \) workers can finish the job in \( 15 \) day...

\(10 \) workers can finish the job in \( 15 \) days. For the first \( 5 \) days, only \( 6 \) workers worked on the job. Then for the next \( 3 \) days \( 2 \) more workers joined them. To finish the job, \( 4 \) more workers joined them. After how many days was the whole job done? Previous \( 12 \) days B days P \( 18 \) days 

Answer

A

Solución
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