anketobo anketobo
  • 12-04-2024
  • Mathematics
contestada

15. "A" puede hacer un trabajo en 9 días, "B" es 50% más eficiente que "A". ¿Cuántos días empleará "B" en hacer dicho trabajo? a) 4 d) 6 b) 5 e) 8 c) 3​

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