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Mathematics, 12.06.2020 19:57 huwoman

HEL SAM BOUGHT SOME SHARES IN DECEMBER 2010.
IN 2011 THE VALUE OF THE SHARES DECREASED BY 20%
IN 2012 THE VALUE OF THE SHARES INCREASED BY 30%

BY WHAT PERCENTAGE DID THE VALUE OF THE SHARES INCREASE IN THE TWO YEARS FROM THE END OF 2010 TO THE END OF 2012?

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HEL SAM BOUGHT SOME SHARES IN DECEMBER 2010.
IN 2011 THE VALUE OF THE SHARES DECREASED BY 20%...
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