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DaniilM [7]
3 years ago
14

It takes a boat 4 hours to travel downstream 84 miles and 5 hours to travel up stream 55 miles. What is the speed to the boat in

still water ? Mph what is the speed of the current ? Mph
Mathematics
1 answer:
Olegator [25]3 years ago
7 0

Answer:

16 MPH boat speed still water

5 MPH current speed


Step-by-step explanation:

84/4 - x = 55/5 + x

x = (84/4-55/5)/2 = 5 mph current speed in MPH

11+5 = 16 is boat speed in MPH

21 MPH downstream, 11 MPH upstream

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