Respuesta :

natthecat82
The walkathon was 6 kilometers

Answer:

6 km

Given,

The part of the race have finished =3/4

And, the distance of race have completed = 4 1/2

That is,

3/4 part of the race=4 1/2 km=9/2 km

4/3 x 9/2=  36/6=  6 km

Hence, the length of the marathon would be 6 km.