Question

in the section opener, the average life expectancy for todays average american man is 75.2 years. for a woman it is 80.4. in 1970, the life expectancies were 67.6 and 75.3, respectively. find the increase in the average life expectancy for men and women over the last few decades. the increase in the average life expectancy for men is $square$ years. the increase in the average life expectancy for women is $square$ years. (type an integer or decimal rounded to the nearest tenth as needed.)

Explanation:

Step1: Calculate increase for men

Subtract 1970 life expectancy from today's for men.
$75.2 - 67.6 = 7.6$

Step2: Calculate increase for women

Subtract 1970 life expectancy from today's for women.
$80.4 - 75.3 = 5.1$

Answer:

The increase in the average life expectancy for men is 7.6 years. The increase in the average life expectancy for women is 5.1 years.