Find Fraction Notation for the Percent Notation in the Problem $X$

Multiple Choice

Find fraction notation for the percent notation in the problem.
-Population of Country $X$ by Selected Age Categories (Data have been rounded to the nearest percent.)

Find the fraction notation for the percent of the population that is 18 years and older.

A) $\frac{1}{10}$
B) 1
C) $\frac{1}{50}$
D) $\frac{1}{5}$