Think about. It's all to do with relative velocity.

The alternative is to solve the following simultaneous equations for t:

2t = x .... (1)

2.4 t = 1350 - x .... (2)

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There are two things you should never try to prove: the impossible and the obvious.

The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low and achieving our mark. (Michelangelo Buonarroti)

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