astarkovich astarkovich
  • 30-09-2020
  • Mathematics
contestada

KALON AND HIS FRIEND
CAN CLEAN A 20 FOOT CHIMNEY IN ONE 1 5/7 HOURS. kALON CAN CLEAN A CHIMNEY IN 4 HOURS. HOW LONG DOES IT TAKE MY FRIEND TO CLEAN A CHIMNY BY HIMSELF?

Respuesta :

chyannelattice chyannelattice
  • 30-09-2020

Answer:

IR= 12/7

Step-by-step explanation:

Answer Link

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