The Jim's age is 27.
To find the age of Jim.
What is average?
Number that is calculated by adding quantities together and dividing the total by the number of quantities.
Given that:
Let cousin's age = x
Let Jim's age = 3x
Since the difference between their ages is 18,
3x - x = 18
Solving for x,
2x = 18
x = 9
Cousin's age is 9.
Jim's age is 27.
So, the Jim's age is 27.
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