Answer:
24 years old
Explanation:
Jim = 2x + 4
Mark = x
Sum of their ages = 34
2x + 4 + x = 34
2x + x = 34 - 4
3x = 30
3x / 3 = 30 / 3
x = 10
Mark = 10 years old
= 2 ( 10 ) + 4
= 20 + 4
= 24
Therefore, Jim is 24 years old
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