what percent of the current number of states had joined the united states by the year 1863?
1792 - 15
1817 - 20
1836 - 25
1848 - 30
1863 - 35
1889 - 40
1896 - 45
1959 - 50
35/50
Divide the numerator by the denominator and multiply by 100.
35/50 = 7/10 = 0.7 = 70%