Asked by Sue
Powerboattakes30minutes to travel 10miles downstream. The return triptakes50 minutes. What is th speed othe current
Answers
Answered by
Steve
downstream speed: 10/(1/2) = 20 mi/hr
upstream speed : 10/(5/6) = 12 mi/hr
So, if te boat's speed is b and the current's speed is c,
b+c=20
b-c=12
now go figure c
upstream speed : 10/(5/6) = 12 mi/hr
So, if te boat's speed is b and the current's speed is c,
b+c=20
b-c=12
now go figure c