math
posted by alex on .
it took 3 hours for patrol boat to travel 48km upstream and 2 hours to travel downstream. What is the current and boat speed.

c+b=48km/2hrs
bc=48/3
add the equations
2b=24+16=40
b=20km/hr
you then find a
posted by alex on .
it took 3 hours for patrol boat to travel 48km upstream and 2 hours to travel downstream. What is the current and boat speed.
c+b=48km/2hrs
bc=48/3
add the equations
2b=24+16=40
b=20km/hr
you then find a