Question 462723: a duck flies 150 km in two and a half hours. what is the average speed in kilometres per hour? Answer by simranb(63) (Show Source):
You can put this solution on YOUR website! Speed=Distance/time
Distance=150km =150000m
Time=2 and 1/2hour =3/2hours
Speed=150/3/2
Speed=
Speed=50*2
Speed=100km/hr
Cheers!
Simran.