Hint to Riddle #77: Where's the Father
77. A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?
Where's the father?

Two confirm the equations you'll be solving are:
M = C + 21
M + 6 = 5(C + 6)
Two equations, two unknowns. Easy. If not, have a Google of simultaneous equations.
Where next?
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