The graph at the top of the next column shows the land area of the United States, in millions of square miles, for the years 1790, 1810, 1830, 1850, and 1870.

(a) Determine the percent increase in U.S. land area from 1790 to 1810.

(b) Determine the percent increase in U.S. land area from 1810 to 1830.

(c) Determine the percent increase in U.S. land area from 1830 to 1850.

(d) Determine the percent increase in U.S. land area from 1850 to 1870.

Where appropriate, round your answer to the nearest tenth of percent.

Transcribed Image Text:

U.S. Land Area 4.0 3.54 3.5 2.94 3.0+ 2.5+ 1.75 2.0 1.68 1.5+ 1.0 0.86 0.5+ 0- 1790 1810 1830 1850 1870 Year Square Miles (millions)