Solve for x
x=20
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\frac{x}{100}=\frac{1.8}{9}
Divide both sides by 9.
\frac{x}{100}=\frac{18}{90}
Expand \frac{1.8}{9} by multiplying both numerator and the denominator by 10.
\frac{x}{100}=\frac{1}{5}
Reduce the fraction \frac{18}{90} to lowest terms by extracting and canceling out 18.
x=\frac{1}{5}\times 100
Multiply both sides by 100.
x=\frac{100}{5}
Multiply \frac{1}{5} and 100 to get \frac{100}{5}.
x=20
Divide 100 by 5 to get 20.
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