equations

Shruti inani (Student) (117 Points)

14 July 2018  
The present age of a man is 8 years more than thrice the sum of the ages of his twi grandsons who are twins. after 8 years, his age will be 10 years more than twice of the sum of the ages of his grandsons. the age of the man when his grandson were born was.
a. 86 years
b. 73 years
c. 68 years
d. 63 years