Question
A stereo system costs $172 less than a projector. A laptop costs twice as much as a projector. Given that the total cost of a stereo system, a projector and a laptop cost $4000, find the cost of the stereo system.
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A stereo system costs $172 less than a projector. A laptop costs twice as much as a projector. Given that the total cost of a stereo system, a projector and a laptop cost $4000, find the cost of the stereo system.