A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?	Choose the correct answer:
A) 32 years
B) 36 years
C) 40 years
D) 48 years
E) 45 years
let the age be x   2/5x=x (2/5 the age of son = mothers age)   after 8 yrs   2/5x+8=x+8/2   4=x/10   x=40.   ANSWER:40 years
<result>C</result>
A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?