Question: A mother is 21 years older than her child. In 6 years the mother will be 5 times older than her baby.
Where is the father?
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M = mother
C = child
M = C + 21
M + 6 = 5* (C + 6)
Solving gives C = -3/4
-3/4 year means minus 9 months. If the child is -9 months, it means that the father is with the mother, in their bed…