• A train travels at a certain average speed for a distance of 54 km and then travels a distance of 63 km
at an average speed

• A train travels at a certain average speed for a distance of 54 km and then travels a distance of 63 km
at an average speed of 6 km/h more than the first speed. If it takes 3 hours to complete the total
journey what is its first speed ?
please answer by sending photo of explanation ​

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