A and B cars leave from a and B at the same time. A travels 75 kilometers per hour, B travels 65 kilometers per hour. After the first meeting, B and B continue to move forward. When they arrive at B and a respectively, they immediately return to the original road. The two cars travel for 6 hours from the departure to the second meeting______ Kilometers

A and B cars leave from a and B at the same time. A travels 75 kilometers per hour, B travels 65 kilometers per hour. After the first meeting, B and B continue to move forward. When they arrive at B and a respectively, they immediately return to the original road. The two cars travel for 6 hours from the departure to the second meeting______ Kilometers

According to the meaning of the question, we can get: (75 + 65) × 6 ／ 3, = 140 × 6 ／ 3, = 840 ／ 3, = 280 (km); answer: the distance between AB and ab is 280 km, so the answer is: 280