15 units because I need to have
Let the speed of the water current be v.
total travel time = time to go upstream + time to return downstream to the starting point
Hence, 8 = time in hours = 6 / (4-v) + 6 / (4 +v) = 6*8/(16-v^2)
Hence, 16 - v^2 = 6, or v^2 = 10 or v = √10 miles / hour
Answer:
simplest form is 1/4
Step-by-step explanation:
hi here is the answer
Answer:
No solution in real numbers
Step-by-step explanation:
a+b=16
a*b=80
Unfortunately it does not have solution
