Question

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Answer 1

Answer:

Let y be 100

Therefore x=80

1. x/y=80/100=4:5 (alsowrittenas 4/5 or 0.8)
2. 100-80/80=1:4 (alsowrittenas 1/4 or 0.25
3. 80/100-80=4:1 (alsowrittenas 4/1 or 4)

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Answer 2

Step-by-step explanation:

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