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.