The ratio between the speeds of two trains is 7: 8.If the second train runs 400km in 5 hours. The speed of the first train is:

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Question:The ratio between the speeds of two trains is 7: 8.If the second train runs 400km in 5 hours. The speed of the first train is:

1.70km/hr

2.200km/hr

3.250km/hr

4.350km/hr

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  1. The ratio between the speeds of two trains is 7: 8.If the second train runs 400km in 5 hours. The speed of the first train is:
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