contestada

My friend sets out walking at a speed of 3 miles per hour. I set out behind her 5 minutes later at 4 miles per hour.

When I start walking, how many miles has my friend traveled?

Respuesta :

apologiabiology
when you start walking, your friend has walked for 5 minutes
your speed is irrelevant


find how much time has elapsed
60mins=1hr
5mins=xhr
5/60=1/12

1/12 hour
distance=speed times time
given
speed=3mph
time=1/12hr

distance=3mph times 1/12hr
distance=3/12mi
distance=1/4mi or 0.25mi

traveled 0.25 or 1/4 miles

Otras preguntas