asked 58.0k views
5 votes
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?

1 Answer

6 votes

Answer:

IR= 12/7

Explanation:

answered
User Sgargel
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