Question

10.
A motor boat heads upstream a distance of 24km on a river whose current is running at 3
km per hour. The trip up and back takes 6 hours. Assuming that the motor boat maintained
a constant speed, what was its speed?
​

Answer 1

Answer:

9 km per hour

Step-by-step explanation:

solution is there in image

as speed can not be negative the value of x= 9 km/hr

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