The average ages of three persons is 27 years. Their ages are in the proportion of 1:3:5. What is the age in years of the youngest one among them ?
Let the age of three persons be x, 3x and 5x => 9x/3 = 27 = > x = 9
The average ages of three persons is 27 years. Their ages are in the proportion of 1:3:5. What is the age in years of the youngest one among them ?
Let the age of three persons be x, 3x and 5x => 9x/3 = 27 = > x = 9
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