Mathematics
Medium
Question
Three years ago the average age of a family of six members was 19 years. A boy have been born, the average age of the family is the same today. What is the age of the boy?
A
1 year
✓ Official correct answer
B
1.5 years
C
2 years
D
2.5 years
Community credibility
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A
1 year
No member explanations yet for this option.
B
1.5 years
No member explanations yet for this option.
C
2 years
No member explanations yet for this option.
D
2.5 years
No member explanations yet for this option.