Question

You and a friend each drive 54 km. You travel at 95 km/h; your friend travels at 118 km/h. How many minutes will your friend have to wait for you at the end of the trip?
54 km/95 = .5684 hr

54 km/118 = .4576 hr

difference = .11 hr

.11 hr * 60 min/hr = 6.647 min

which is 6 minutes and 39 seconds

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