Paloma can run the 100 meter dash in the 16 1/5 seconds Savannah's best time is 19.8 seconds how much faster is Paloma than Savannah in the 100- meter dash

Answer:[tex]3\frac{3}{5}\ sec[/tex] or  [tex]3.6\ sec[/tex]Step-by-step explanation:we know thatTo find out how much faster is Paloma than Savannah in the 100- meter dash, subtract the Paloma's time from the Savannah's timeso[tex]19.8-16\frac{1}{5}[/tex]step 1Convert mixed number to an improper fraction[tex]16\frac{1}{5}\ sec=\frac{16*5+1}{5}=\frac{81}{5}\ sec[/tex]step 2 Convert decimal number in fraction number[tex]19.8\ sec=\frac{198}{10}\ sec[/tex]Simplify[tex]\frac{99}{5}\ sec[/tex]step 3Substitute the values[tex]19.8-16\frac{1}{5}=\frac{99}{5}-\frac{81}{5}=\frac{18}{5}\ sec[/tex]Convert to mixed number[tex]\frac{18}{5}\ sec=\frac{15}{5}+\frac{3}{5}=3\frac{3}{5}\ sec[/tex]Convert to decimal number[tex]\frac{18}{5}\ sec=3.6\ sec[/tex]