Respuesta :
if 4km=18min
1 km=18/4 min
1 km = 4 1/2 mins
To get to a 15 km race
Multiply both sides by 15
15 km = 4 1/2*15
15 km = 67 1/2 minutes
1 km=18/4 min
1 km = 4 1/2 mins
To get to a 15 km race
Multiply both sides by 15
15 km = 4 1/2*15
15 km = 67 1/2 minutes