Answer:
no solution
Explanation:
just took then assignment
let x be the age of her son
y = 25 + x
y - 25 = x
(y + 12) + (x + 12) = n
y + x + 24 = n
y + y - 25 + 24 = n
2y - 1 = n
sub
2(38)-1 = n
n = 78
A because science is not to be a math subject
