wie digit at the tens place. Find the time(iv) Vedant can row down8 km in 2 hours. Find hissspeed of the water current.In a schoolown stream 24 km in 2 hours and upstreamS. Find his speed of rowing in still water and

wie digit at the tens place. Find the time(iv) Vedant can row down8 km

1.	wie digit at the tens place. Find the time(iv) Vedant can row down8 km in 2 hours. Find hissspeed of the water current.In a schoolown stream 24 km in 2 hours and upstreamS. Find his speed of rowing in still water and
Answer» let speed of rowing =x km/hspeed of current = y km/h(x>y)down stream speed=x+y km/hupstream speed=x-y km/hspeed=dist/timex+y= 24/2=12----(1)x-y=8/2=4------(2)by adding 2x=16x=16/2=8 km/hspeed of rowing=8 km/hrputting the value of x in eq1x+y=12y=12-8=4 km/hspeed of current=4km/ht