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NerdyPotato · M
Let T be Theresa's age and M be her mother's age. Then M = T + 26.
The question then is when M = 3T, so 3T = T+26.
That makes 2T = 26, and T=13.
Check: at that point her mother was 13+26=39 which is indeed 3 times 13.
The question then is when M = 3T, so 3T = T+26.
That makes 2T = 26, and T=13.
Check: at that point her mother was 13+26=39 which is indeed 3 times 13.
NerdyPotato · M
Oh wait, not how old was Theresa, but how long ago? That would be 54-13=41.
Lostpoet · M
9 or 71
icedsky · 51-55, M
41
TheOrionbeltseeker · 36-40, M
41