Two cars left at the same time from two villages towards each other. One was going at a speed of 65 km / h, the second – 70 km / h. After 3 hours they met. Find the distance between the villages?
Cars move towards each other, the speed of approach is equal to the sum of the speeds:
65 + 70 = 135 (km / h).
The cars met in 3 hours, so the distance between the villages is equal to:
135 * 3 = 405 (km).
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