Boating at 6/7th of regular speed in a lake, the tourist got late by 30 minutes. How much time will it take while boating at usual speed?

Boating at 6/7th of regular speed in a lake, the tourist got late by 3

1.	Boating at 6/7th of regular speed in a lake, the tourist got late by 30 minutes. How much time will it take while boating at usual speed?
A.	2 hr
B.	3 hr
C.	1.5 hr
D.	None
Answer» C. 1.5 hr

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Boating at 6/7th of regular speed in a lake, the tourist got late by 30 minutes. How much time will it take while boating at usual speed?

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