d = rt, so t = d/r
Upstream, r = boat speed - current speed
Downstream, r = boat speed + current speed
The times are the same
20/(8 - c) = 44/(8 + c)
Cross multiply.
20(8 + c) = 44(8 - c)
160 + 20c = 352 - 44c
64c = 192
c = 3 mph
Emani B.
asked • 02/22/19connie's boat travels at 8mph. find the rate of the current of the river if she can travel 20 milea upstream in the same time she can travel 44 miles downstream
connie's boat travels at 8mph. find the rate of the current of the river if she can travel 20 milea upstream in the same time she can travel 44 miles downstream
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