Question
A laptop costs $317 more than a hi-fi system. 5 such hi-fi systems cost as much as 3 mobile phones. If each mobile phone costs $710. Find the cost of 4 laptops.
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A laptop costs $317 more than a hi-fi system. 5 such hi-fi systems cost as much as 3 mobile phones. If each mobile phone costs $710. Find the cost of 4 laptops.