Luke is 47-year-old widowed father of 3 surviving children, Bethany who is 7, Stephen who is 12, and Sonora who is 15. Because Luke's wife, Renee, had the appropriate number of credits paid into the Social Security system, Luke receives Social Security Survior benefits for their 3 dependent children. For how many years will Luke be in the blackout period?

TEACHER NOTE

This is the difference between his age of when he exits the blackout period and his age when he enters the blackout period.

duration in BOP=(age at exit of BOP) - (age at entry to BOP)