Stuart:
1) My grandson is about as many days as my son is weeks.
This means the son is 7 times older than the grandson
2) And my grandson is as many months as I am in years.
This means I am 12 times older than my grandson
3) My grandson, my son and I together are 160 years.
This means Y(gs) + Y(s) + Y(I) = 160
As stated above, I reduce all years calculated for my grandson ==>
1xY(gs) + 7xY(gs) + 12xY(gs) = 160
20xY(gs) = 160
Y(gs) = 8 ==> Grandson is 8 years old
Y(s) = 56 ==> Son is 56 years old
Y(I) = 96 ==> I am 96 years old
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Hybrid Mode
