on my sister ' s birthday, she was 143 cm in height, having grown 10 % since the year before. how tall was she the previous year?  Pick one
A) 140 cm	B) 136 cm	C) 130 cm	D) 127 cm	E) 125 cm
<gadget id="calculator">143 * 10</gadget>
<output>1_430</output>

<gadget id="calculator">1_430 / 100</gadget>
<output>143/10 = around 14.3</output>

<gadget id="calculator">143 - (143/10)</gadget>
<output>1_287/10 = around 128.7</output>

<result>C</result>
on my sister ' s birthday, she was 143 cm in height, having grown 10 % since the year before. how tall was she the previous year?
subtract(143, divide(multiply(143, 10), const_100))
"let the previous year ' s height be x . 1.1 x = 143 x = 130 the answer is c ."