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On my sister's 15th birthday, she was 159 cm in height, having grown 6% since the year before. How tall was she the previous year?
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Apr 9, 2015
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On my sister's 15th birthday, she was 159 cm in height, having grown 6% since the year before. How tall was she the previous year?
Mathematics
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Emsworth
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It means that her height in this year is
in regards to the last year, where x is her height in last year, so:
Gavin Coates
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Apr 16, 2015
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Gavin Coates
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