Car a and car B leave from a and B at the same time. Car a travels 90 kilometers per hour, and car B travels 1 / 18 of the whole journey per hour. When they meet, the two cars go the same way Car a and car B leave from a and B at the same time. Car a travels 90 kilometers per hour, and car B travels 1 / 18 of the whole journey per hour. When they meet, the road of car a and car B is 5:4. How many kilometers are there between a and B

When meeting, a line 5 / (4 + 5) = 5 / 9, B line 4 / 9
The meeting time is: 4 / 9 / (1 / 18) = 8 hours
A line of 8 * 90 = 720km
720 / (5 / 9) = 1296 km

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