Question
A mobile phone costs $128 less than a massage chair. A stereo system costs twice as much as a massage chair. Given that the total cost of a mobile phone, a massage chair and a stereo system cost $4900, find the cost of the mobile phone.
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A mobile phone costs $128 less than a massage chair. A stereo system costs twice as much as a massage chair. Given that the total cost of a mobile phone, a massage chair and a stereo system cost $4900, find the cost of the mobile phone.