Question

a train takes 3 hours to reach a destination by travelling at a speed of 90 kilometre per hour how long will it take the train when it travels at the speed of 120 kilometre per hour​

Answer 1

Step-by-step explanation:

•••••••5 hours because 3--------90•••••••••

•••••••• ?--------120•••••••••

••••••••do cross multiple••••••••

••••••••3×120/90=5••••••••

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