Answer:
see explanation
Step-by-step explanation:
Given that Bilal is age y and his mother is 25 years older, then
a. Bilal's mothers age is y + 25
b. the sum of their ages = y + y + 25 = 2y + 25
c. Mother is y + 25 = 12 + 25 = 37 years
a) Bilal is y years and his mother is 25 years older that he is
Bilal's mother is = 25 + y years old
b) adding Bilal and his mother's age
= y + 25 + y
= 2y + 25
c) when Bilal is 12 I.e. y = 12
His mum will be
= 12 + 25
= 37
