Question 1100452
.
<pre>
Gary  + Linda = 24,

G     + L     = 24,

(L+6) + L     = 24,


2L + 6 = 24  ====>  2L = 24 - 6 = 18  ====>  L = {{{18/2}}} = 9.


G = L + 6 = 9 + 6 = 15.


<U>Answer</U>.  Gary is 15, Linda is 9 years old.
</pre>