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Mathematics, 16.10.2021 01:00 limelight11

SKILL LEVEL Mastery
A motor boat travels a certain distance downstream in 5 hours.
It travels the same distance upstream in five and a half hours.
The speed of the water is 1.5 km/hr. What is the speed of the
boat in still water?
a 25.7 km/hr
b 31.5 km/h
C 48.2 km/h
d 18.5 km/h

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