The present average age of a family of 5 members is 40 years. If the youngest member of the family is 12 years old, then find the average age of the family at the time of birth of the youngest member.
590,000
625,000
6% off
1,499
2,499
40% off
13,000
18,000
28% off
590,000
625,000
6% off
13,000
18,000
28% off
3,999
5,499
27% off
999
1,499
33% off
5.0
590,000
0.0
5.0
13,000
5.0
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