Omi is twice as old as Kimiko. Arlette is 3/4 times as old as Kimiko. If Kimiko is 28 years old, calculate the average age of the three?
Please answer the following question by reasoning step-by-step.
35
If Kimiko is 28, Omi is 2 * 28 years = 56 years old.

Arlette is 3 / 4 * 28 years = 21 years old.

If you add up their ages, it sums to 21 years + 56 years + 28 years = 105 years.

The average age for the three is 105 years / 3 people = 35 years / person.

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Thus, the answer is 35