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 for brother

A = 17+6 = 23 years old for Annie

17+23 = 40