Bisi is X yrs. old.
Musa is (x+12) yrs. old.
Four yrs. later:
Bisi is (x+4) yrs. old.
Musa is 2(x+4) = 2x+8.
2x+8 = (x+4) + 12.
2x+8 = x+16, X = 8.
x+12 = 8+12 = 20.
Musa is 12 years older than his sister Bisi, in 4 years time Musa will be twice as old as Bisi. Find their present ages.
2 answers
Present age
1 answer