Question

a ship leaves a port at 6 am traveling due east at 12mph. another ship leaves a port 11 am traveling due north at 15 mph. how far apart are they at 11pm to the nearest tenth mile?
eastbound ship went for 17 hrs at 12 mph ---> 204 miles
northbound ship went for 12 hrs at 15 mph ---> 180

solve right-angled triangle ,
by finding hypotenuse with legs of 204 and 180

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