medium · GMAT Quant
Two technicians, M and N, start moving toward each other from two ends of a 12-kilometer tunnel. M starts at 9:00 AM at a speed of 4 km/h, and N starts at 9:15 AM at a speed of 6 km/h.
How many kilometers from M's starting point will they meet?
- 5.4 km
- 6.6 km
- 6.0 km
- 4.8 km
- 1.0 km
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