16-01-2019
Mathematics

contestada

The sum of the speeds of two trains is 720.6 mph. If the speed of the first train is 1.4 mph faster than that of the second train find the speeds of each

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16-01-2019

Answer:

x + y = 720.6

x = y + 1.4

II in I

(y + 1.4) + y = 720.6 --> y = 359.6

x = 359.6 + 1.4 = 361

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