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#### ajoyawesome

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- Mar 15, 2021

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- Thread starter ajoyawesome
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- Mar 15, 2021

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- Mar 1, 2012

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let c = cost for one gram of tea paid by the company

30% profit on a packet implies $p = 1.3(200c)$

let $x$ be the additional tea per packet in grams

25% profit on a packet implies $p = 1.25[(200+x)c]$

dividing the first equation by the second ...

$1 = \dfrac{1.3(200)}{1.25(200+x)}$

solve for $x$