eighteen
180
13.5
"Percent" = "of 100". So 30 is 30% of 100.
20,000 - 18% = 16,400
30%
Each "hundredth" is one percent. Eighteen hundredths is the same as eighteen percent. Write it as "0.18".
eighteen
0.1818
0.9
33 percent are under the age of eighteen.
90%
72.22222.......%
0.9
90c.
72%.
180