365 days = 1 year
1 minute = 60 seconds
60 minutes = 3600 seconds = 1 hour
1hr = 3600 seconds
24 hrs = 86400 seconds
24 hrs = 1 day = 86400 seconds
1 day = 86400 seconds
365 days = 31536000 seconds = 1 year
1 year = 31,536,000 seconds
80 years = 2,522,880,000 seconds
He blinks every 2 seconds
Therefore, the number of blinks in 80 years will be
[tex]\text{ number of blinks = }\frac{2522880000}{2}=\text{ }1,261,440,000\text{ blinks}[/tex]
