BelladonnaM609859 BelladonnaM609859

31-10-2022
Mathematics

contestada

1. A train travels 72 km in 45 minutes. What is its average speed in kilometers per hour?

Respuesta :

AyazI29343 AyazI29343

31-10-2022

we have the following:

v = d/t

replacing d = 72 t = 45 min * 1 hr / 60 min:

v = 72/(45/60)

v = 96

the average speed is 96 kilometers per hour

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