Annie is 6 years older than her brother. The sum of their ages is 40. How old is Annie? How old is her brother?

Answer 1

A = 6 + B

A + B = 40

6+B + B = 40

2B = 40-6 = 34

B =34/2 = 17 years old brother

A =17+6 = 23 years old for Annie

23+17 =40