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Thousands of problems in junior high school mathematics
It costs X yuan per kilometer to set up an electric car.

27/x= 108/(x+0..54)

108x=27(x+0.54)

108x=27x+ 14.58

8 1x= 14.58

x= 14.58÷8 1

x=0. 18

0. 18 yuan per kilometer for electric vehicles.

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