Question

a bus takes 1 hours 20 minutes to travel 180 km. what it's speed
Ans: 135 km/hr​

Answer 1

Formula: Speed=Distance/time(Distance upon time)

Step-by-step explanation:

first convert hours into minutes

1 hour=60minutes

therefore,1hour 20minutes=80 minutes

then apply formula and solve

Answer 2

Answer:

135km/hr

Step-by-step explanation:

Time = 1hour and 20 min = 60+20= 80min = 4800sec

Distance = 180 km = 1,80,000m

Speed = Distance/ Time

= 1,80,000/4800sec

= m/sec

=37.5*18/5

= 135km/hr