Nona is one-third as old as her mother. Five years ago, she was only one-fifth of the age of her mother. How old is Nona now?  Choose the most appropriate option:
A) 11.5	B) 12.5	C) 13.5	D) 14.5	E) 15.5
mother age be x   nona age bcomes 1/3(x)   1/3(x)-5=1/5(x)   by solving we get,   x=37.5   and nona is 12.5   ANSWER:12.5
<result>B</result>
Nona is one-third as old as her mother. Five years ago, she was only one-fifth of the age of her mother. How old is Nona now?