Souju's age is 131% of what it was 10 years ago, but 80 2/3% of what it will be after 10 years. What is her present age? Select the correct option:
A) 46 years B) 27 years C) 36 years D) 42 years E) 54 years
Let the age before 10 years =x. Then,   131x/100=x+10   â‡’131x=100x+1000   â‡’x=1000/31=32   Present age =x+10=32+10= 
<gadget id="calculator">32+10</gadget>
<output>42</output>
42   ANSWER:42 years
<result>D</result>
Souju's age is 131% of what it was 10 years ago, but 80 2/3% of what it will be after 10 years. What is her present age?