If a shopkeeper purchased an item at a cost of \(x\) dollars and sold it for \(y\) dollars, by what percent of its cost

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If a shopkeeper purchased an item at a cost of \(x\) dollars and sold it for \(y\) dollars, by what percent of its cost did he make profit?

1) \(y − x = 60\)
2) \(5y = 6x\)

OA B