Question

gitu travels 300km to her home partly by train and partly by bus.she takes 4 hours if she travel 60 km by train and the remaining by bus if she travels 100 kilometre by train and the remaining by bus.she takes 10 minutes longer .find the speed of the train and the bus separately.​

Answer 1

Step-by-step explanation:

t=d/s

60/x + 240/y =4 hrs

100/x + 200/y =25/6 hrs

1/x = a

1/x = b

60a + 240b = 4 * 100

600a + 1200b = 25

600a + 2400b = 40

600a +1200b =25

b = 1/80

a = 1/60

x = 80 km / hr

y = 60 km / hr

train = 80 km/hr

bus = 60 km/hr

Answer 2

Answer:

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