[tex]a = 55 + (1 - \frac{1}{100} ) \\ a = 55 + ( \frac{100}{100} - \frac{1}{100} ) \\ a = 55 + \frac{99}{100} \\ a = \frac{5500}{100} + \frac{99}{100} \\ a = \frac{5599}{100} = 55.99[/tex]