Asked by Andrea

Andres is 6 years older than kylie. In 8 years the sum of their ages will be 88. How old is andres now
Answered by Steve
a = k+6
a+8 + k+8 = 88

since a=k+6, k=a-6. So,
a+8 + a-6+8 = 88
2a+10 = 88
2a = 78
a = 39