|While having breakfast with his
parents, Louis asks his mother:
"How old are
Louis, our three ages add up to exactly seventy years."
"That's a lot, isn't it? And how old are you, dad?"
six times as old as you, my son."
"Shall I ever be half as old as you, papa?"
Louis; and when that happens our three ages will add up to exactly
twice as much as to-day."
calculate the exact ages of his parents from the information they had
given to Louis?
Can you find
out the exact age of the mother?