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What is the correct equation ​

What is the correct equation ​-example-1

1 Answer

9 votes

Answer: y = 0.4x

In fraction form, this is y = (2/5)x

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Step-by-step explanation:

For each row, divide the y over x values

  • Row One: y/x = 0.8/2 = 0.4
  • Row Two: y/x = 4/10 = 0.4
  • Row Three: y/x = 6/15 = 0.4
  • Row Four: y/x = 10/25 = 0.4

We end up with the same thing each time.

Since y/x = 0.4, this rearranges to y = 0.4x

Alternatively, you can write the equation as y = (2/5)x because 2/5 = 0.4

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