When dealing with age problems set up a table of ages at the different times described.
Aji: Now = 16p, 10 years from now = 16p + 10
Daughter: Now = 8p, 10 years from now = 8p + 10
The sum of their ages 10 years from now is 16p + 10 + 8p + 10 = 24p + 20.
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