Studies have shown that the average adult male requires 7.5 hours of sleep a night and females require 20 minutes more than males. If the average life expectancy in Canada is 82.7 years for women and...

Studies have shown that the average adult male requires 7.5 hours of sleep a night and females require 20 minutes more than males. If the average life expectancy in Canada is 82.7 years for women and 78 years for men, what percentage are the male waking hours of a female’s waking hours for a lifetime?