Question
A hi-fi system costs $192 less than a mobile phone. A laptop costs twice as much as a mobile phone. Given that the total cost of a hi-fi system, a mobile phone and a laptop cost $6300, find the cost of the hi-fi system.
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A hi-fi system costs $192 less than a mobile phone. A laptop costs twice as much as a mobile phone. Given that the total cost of a hi-fi system, a mobile phone and a laptop cost $6300, find the cost of the hi-fi system.