Algebra
posted by Terry .
In 1995, life expectancy of males in a certain country was 72.6 years. In 2000, it was 76.1 years. Let E represent life expectancy in year t and let t the number of years since 1995.

E=((76.172.6)/5) * t + 72.5
posted by Terry .
In 1995, life expectancy of males in a certain country was 72.6 years. In 2000, it was 76.1 years. Let E represent life expectancy in year t and let t the number of years since 1995.
E=((76.172.6)/5) * t + 72.5