Find 0.68% as a fraction:
[tex]\frac{0.68}{100}=\frac{68}{10000}=\frac{17}{2500}[/tex]
So you multiply that by 425 to get your value:
[tex]\frac{17}{2500}*\frac{425}{1}=\frac{17}{100}*\frac{17}{1}=\frac{17*17}{100}=\frac{289}{100}[/tex]
Your answer is [tex]\frac{289}{100}[/tex] or, in decimal format, [tex]2.89[/tex].
