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The sum of the speed of two trains is 727.7 miles per hour. If the speed of the first train is 8.3 mph faster than that of the second train, find the speed of each.

Respuesta :

adancy22

Answer:2x+7.3=720.7

2x=720.7-7.3

2x=713.4

x=356.7

x+7.3=364

speed of 2nd train=356.7 mph

speed of 1st train=364 mph

Step-by-step explanation: