Mathematics
Mathematics, 02.03.2020 16:46, nininichole431

To arrive at its destination on time the bus should have maintained a speed of vv kilometers per hour throughout the journey. Instead, after going the first third of the distance at vv kilometers per hour, the bus increased its speed and went the rest of the distance at 1.2v1.2v kilometers per hour. As a result, the bus arrived at its destination xx minutes earlier than planned. What was the actual duration of the trip?

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