A train travels at an average speed for a distance of 60 km and then travels a distance of 48 km at an average speed of 4 km/h more than the original speed. if it takes 5 hours to complete total journey,find the original average speed
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the equation in this case is 60/x+48/x+4=5
now solve for x u will get the original speed
now solve for x u will get the original speed
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