Answer:
[tex]4 \frac{9}{10} s[/tex]
Step-by-step explanation:
To divide, convert the mixed numbers into improper fractions.
[tex]\frac{14}{12}s[/tex] ÷ [tex]\frac{21}{5}[/tex]
To divide, change it to multiplication and use the reciprocal.
[tex]\frac{14}{12}s * \frac{21}{5} \\\\\frac{14*21}{12*5}s \\\\\frac{294}{60}s \\\\ 4\frac{54}{60}s \\\\4 \frac{9}{10} s[/tex]
