Question

Ramu's father's present age is 3 times Ramu's age. Ramu's grandfather's age is 13 more than the sum of Ramu's age and Ramu's father's age. The sum of their ages is 40 Find Ramu's grandfather's age? please help me​

Answer 1

Answer:

Please explain question more briefly. Especially the part of sum of their ages is 40.