A car has 2 senior citizens, 2 adults and 4 children.The average age of the senior citizens is 62 years, the average age of the adults is 32 years and the average age of the children is 9 years. What is the average age of the travellers in the car.
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A car has 2 senior citizens, 2 adults and 4 children.
The average age of the senior citizens is 62 years, the average age of the adults is 32 years and the average age of the children is 9 years.
Then the average age of the travelers in the car is (2x62+2x32+4x9 / 8) 28 years.
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