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23 March, 18:04

A coin dealer buys

a coin for $850 and sells it for $1190. Find the percent of change.

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  1. 23 March, 18:09
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    (percent change) = ((new value) / (old value) - 1) * 100%

    ... = (1190/850 - 1) * 100%

    ... = 40%

    The coin was sold for a price 40% higher than its purchase price.
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