On my sisters 15th birthday, her height was 159 cm, having grown 6% since the year before. How tall was she in the previous year?
height in the previous year
$=\dfrac{159 \times 100}{106}$=150 cm
On my sisters 15th birthday, her height was 159 cm, having grown 6% since the year before. How tall was she in the previous year?
height in the previous year
$=\dfrac{159 \times 100}{106}$=150 cm
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On my sisters 15th birthday, her height was 159 cm, having grown 6% since the year before. How tall was she in the previous year? |
Answer |