Answer:
29
Explanation:
Let Jiri's age be 'x'. Pamela's age is 3x since Pamela's age is three times Jiri's age.
The sum of their ages is 116:
x + 3x = 116
4x = 116
x = 116 ÷ 4 = 29
x = 29
Jiri's age is 29
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