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The difference in age between a girl and...

The difference in age between a girl and her younger sister is `4` years. The younger sister in turn is `4` years older than her brother. The sum of the ages of the younger sister and her brother is `16`. How old are the three children?

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The correct Answer is:
The age of the girl `= x = 14` years,
The age of the younger sister `= x – 4 = 14 – 4 = 10` years,
The age of the younger brother `= x – 8 = 14 – 8 = 6` years.
The age of the girl `= x = 14` years,
The age of the younger sister `= x – 4 = 14 – 4 = 10` years,
The age of the younger brother `= x – 8 = 14 – 8 = 6` years.
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