Posted by Shannon on Wednesday, August 24, 2011 at 7:06pm.
A person takes a trip, driving with a constant speed 94 km/h except for a 83 min rest stop. If the person's average speed is 70 km/h, how far is the trip? Answer in units of km

physics  bobpursley, Wednesday, August 24, 2011 at 7:16pm
howfar=70km/hr*(time driving+83/60)
howfar=94km/hr*timedriving
set them equal, solve for time driving, then, using that , go back to either equation and solve for distance.
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