On my sister's birthday, she was 132 cm in height, having grown 10% since the year before. How tall was she the previous year?
Choose one:
A) 130 cm B) 126 cm C) 120 cm D) 116 cm E) 112 cm
Let the previous year's height be x.   1.1x = 132   x = 120   The answer is 120 cm.
<result>C</result>
On my sister's birthday, she was 132 cm in height, having grown 10% since the year before. How tall was she the previous year?