According to statistics presented in the text, in the United States in colonial times about 1 in ___ people were age 65 and over; today, about 1 in ___ people are age 65 and over, and in 2030, about 1 in ___ people is expected to be age 65 and over
a. 10; 8; 6
b. 50; 8; 5
c. 100; 40; 20
d. 100; 20; 6
b
Psychology