Respuesta :
It will take her 2 minutes and 20 seconds to finish the race trust me don't believe the other guys answer
Distance to be covered by the runner is given as [tex]\frac{7}{8}.[/tex] miles.
Speed of runner= [tex]\frac{3}{8}.[/tex] miles per minute.
The Time taken can be calculated by the formula Time = Distance ÷speed.
Time taken =[tex]\frac{7}{8}.[/tex] ÷[tex]\frac{3}{8}.[/tex]
Time = [tex]\frac{7}{8} x \frac{8}{3} =\frac{7}{3}.[/tex]
Time = 2.33 minutes = 2+(.33x60) [ 1 minute = 60 seconds]
Time = 2 minutes 20 seconds.