Question 185942
Let L=Lina's present age and a=anita's
L=a/3
L-6=(a-6)/9
(a/3)-6=(a-6)/9 substitute a/3 for L.
(9a/3)-54=a-6 Multiply each side by 9 (LCM) to eliminate fractions.
3a-54=a-6
2a=48
a=24
L=8
.
Ed