# Math

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The table below gives the educational attainment of the U.S. population 25 years and older
since 1960.

Males-

Percentage with 4 years of highschool
1960 39.5%
1970 51.9%
1980 67.3%
1990 77.7%
2000 84.2%
2004 84.8%

Percentage with 4 years of college or more

1960 9.7%
1970 13.5%
1980 20.1%
1990 24.4%
2000 27.8%
2004 29.4%

Females-

Percentage with 4 years of highschool or more

1960 42.5%
1970 52.8%
1980 65.8%
1990 77.5%
2000 84.0%
2004 85.4%

Percentage with 4 years of college or more

1960 5.8%
1970 8.1%
1980 12.8%
1990 18.4%
2000 23.6%
2004 26.1%

a) Write a matrix for the educational attainment of males

b) Write a matrix for the educational attainment of females

c)Use the matrices from parts a and b to write a matrix showing the difference in educational
attainment between males and females since 1960

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