Nicole ran :-
[tex] = \frac{3}{4} \: miles \: in \: \frac{1}{4} \: hours[/tex]
Distance Nicole can run in one hour :-
[tex] = \frac{3}{4} \div \frac{1}{4} [/tex]
[tex] = \frac{3}{4} \times \frac{4}{1} [/tex]
[tex] = \frac{12}{4} [/tex]
[tex] = 3 \: miles[/tex]
Therefore , Nicole can run 3 miles in one hour .
