What is an equation to show the relationship between 7 meters and 0.007 kilometers

7 meter = 7/1000 kilometer

That is, 7 meter = 0.007 meter

Step-by-step explanation:

1000 meters = 1 kilometers

therefore 1 meter = 1/1000 kilometer = 0.001 kilometer

Therefore 7 meters = 7/1000 = 0.007 kilometers

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: