A and B drive from a and B at the same time. When a travels 3 / 7 of the way, B travels 36 kilometers. When a arrives at B, B travels 7 / 10. How many kilometers are there between a and B

A and B drive from a and B at the same time. When a travels 3 / 7 of the way, B travels 36 kilometers. When a arrives at B, B travels 7 / 10. How many kilometers are there between a and B

3 / 7 * 7 / 10 = 3 / 10 36 / 3 / 10 = 120 km
A. B is 120 kilometers away