A boatman can row a certain distance downstream in 7 hrs and return the same distance in 21 hrs. If the stream flows at the rate of the 9 km/h find the speed of boat in still water.
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Step-by-step explanation:
Thunderstorm, a violent short-lived weather disturbance that is almost always associated with lightning, thunder, dense clouds, heavy rain or hail, and strong gusty winds. Thunderstorms arise when layers of warm, moist air rise in a large, swift updraft to cooler regions of the atmosphere.
Step-by-step explanation:
Thunderstorm, a violent short-lived weather disturbance that is almost always associated with lightning, thunder, dense clouds, heavy rain or hail, and strong gusty winds. Thunderstorms arise when layers of warm, moist air rise in a large, swift updraft to cooler regions of the atmosphere.
Answer:
boat – 7 hrs distance -21 km
flow rate – 9km/h
7- 21
= 14 x12