Question

A bus takes 1 hour 20 montues to travel 180 km.what is its speed.​

Answer 1

we know that,

speed= distance/ time

speed= 180/1+1/3

speed=180/4/3

speed= 45*3

speed= 135 km/h

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Answer 2

Step-by-step explanation:

speed = distance/time

1 hour 20 minuts = 80minuts

180/80 = 2.25km/hr