Answer:25 years
Step-by-step explanation:
m means mother's age
m = d^2
m + 5 = 3 (d + 5)
m + 5 = 3d + 15
m = 3d + 10
d^2 = 3d + 10
d^2 - 3d - 10 = 0
(d + 2) (d - 5) = 0
d + 2 = 0 OR d - 5 = 0
d = -2 or 5
m = d^2
m = (5) ^ 2
m = 25
The mother is 25 years old and the daughter is 5 years old!
help from: https://www.quora.com/A-mothers-age-is-the-square-of-her-daughters-age-After-5-years-the-mother-will-be-three-times-as-old-as-her-daughter-What-is-the-present-age-of-the-mother
