contestada

A train travelling at an average speed of 100 km/h covers a certain distance in 3 hours 36 minutes. At what average speed must the train travel to cover the same 210 distance in 2 hours 30 minutes?

Respuesta :

dionissenjo16

Answer:

144 km/h

Step-by-step explanation:

The train is traveling 3 3/5 hours, so multiplying 3 3/5 x 100, we get:

300 + 60 = 360 kilometers.

The train must travel 360 kilometers in 2 hours and 30 minutes, so dividing

360 / 2.5, we get: 144 kilometers per hour.

Otras preguntas